Math

StatisticsQ&A Library#3.3 The following data lists the ages of a random selection of actresses when they won an award in the category of Best Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts (a) and (b) below.Actress left parenthesis years right parenthesis31263327352627442733Actor left parenthesis years right parenthesis61393642323248383845 Use the sample data with a 0.01 significance level to test the claim that for the population of ages of Best Actresses and Best Actors, the differences have a mean less than 0 (indicating that the Best Actresses are generally younger than Best Actors). test statistic P-Value what conclusion supports the hypothesis test constuct a confidence interval that can be used for the hypothesis test what feature of confidnce interval leads to the same conclusion from the testStart your trial now! First week only $4.99!*arrow_forward*

Question

#3.3

The following data lists the ages of a random selection of actresses when they won an award in the category of Best Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts (a) and (b) below.

Actress left parenthesis years right parenthesis

31

26

33

27

35

26

27

44

27

33

Actor left parenthesis years right parenthesis

61

39

36

42

32

32

48

38

38

45

Use the sample data with a 0.01 significance level to test the claim that for the population of ages of Best Actresses and Best Actors, the differences have a mean less than 0 (indicating that the Best Actresses are generally younger than Best Actors).

test statistic

P-Value

what conclusion supports the hypothesis test

constuct a confidence interval that can be used for the hypothesis test

what feature of confidnce interval leads to the same conclusion from the test

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: On the Navajo Reservation, a random sample of 228 permanent dwellings in the Fort Defiance region sh...

A: Confidence Interval: The form of the confidence interval is, CI = Point estimate ± Margin of error T...

Q: In a gallop poll of 1000 adults, 930 said that restaurants and bars should refuse service to patrons...

A: Solution: Let X be number of adults said that restaurants and bars should refuse service to patrons ...

Q: 1)Two sided dice or Old what is the probability that the sum of two numbers on the dice will be 6?

A: Sample space: The set of all possible outcomes of a probability experiment is called sample space of...

Q: A professor wishes to estimate the proportion of college students that have never cheated during a c...

A: Click to see the answer

Q: Hello, can you please help me solve this question ? This is a confidence interval level question : I...

A: Confidence interval: The (1-α) % confidence interval for proportion p is given by,

Q: You want to determine if there is a difference in the number of times statistics students get asked ...

A: Solution: State the hypotheses. Null hypothesis: That is, there is no significant difference betwee...

Q: A poll reported that 63% of adults were satisfied with the job the major airlines were doing. Suppo...

A: Click to see the answer

Q: In a random sample of males, it was found that 24 write with their left hands and 226 do not. In a ...

A: State the hypotheses. Let p1 denotes the proportion rate of left handedness in males. Let p2 denotes...

Q: Cola makers test new recipes for loss of sweetness during storage. Trained tasters rate the sweetnes...

A: It is given that:

Q: Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. ...

A: Given data Flexural strength for concrete beams Strength for cylinders 5.5 6.6 7.2 ...

Q: Suppose 36% of movie-goers say that horror is their favorite movie genre. If a random sample of 12...

A: The known values are, Let X denote the number of movie-goers that prefer horror and it follows bi...

Q: A recent newspaper article claimed that more people read Magazine A than read Magazine B. To test th...

A: the Null Hypothesis is H0:μA−μB=0 The alternative hypothesis is Ha:μA−μB>0

Q: Due in 3 hours, 41 minutes. Due Sat 04/18/2020 11:59 pm Show Intro/Instructions A regression was run...

A: Click to see the answer

Q: A card game offers a prize of $60 if a person can select a heart from a shuffled deck. You must pay ...

A: Click to see the answer

Q: You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005. For the conte...

A: Click to see the answer

Q: answer the given question please

A: Click to see the answer

Q: Suppose that you have obtained data by taking a random sample from a population and that you intend ...

A: 95% percent confidence interval will give more accurate estimate of µ than 99% confidence interval. ...

Q: Suppose a candy company representative claims that colored candies are mixed such that each large pr...

A: Obtain the degrees of freedom. The degrees of freedom is obtained below: Thus, the degrees of freed...

Q: Hallux abducto valgus (call it HAV) is a deformation of the big toe that often requires surgery. Doc...

A: The mean value for the given sample observations is 25.26 and it is calculated by using Excel functi...

Q: A survey found that in a small town 60% of households had 0 pets, 25% of households had 1 pet, an...

A: The probability distribution table for number of pets in a household is,

Q: Five statistics students (n=5) are compared to a sample of 8 sociology students with regard to the n...

A: Click to see the answer

Q: There is no linear relationship between two interval-ratio variables when the regression line on a s...

A: Solution: If the regression line on the plot is parallel to x-axis, then it can say that there is no...

Q: A variable is normally distributed with mean 6 and standard deviation 2. a. Determine and interpret ...

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we ar...

Q: A newly hired human resource analyst proposes to senior management that the number of employee sick ...

A: Click to see the answer

Q: 8. Does When Food Is Eaten Affect Weight Gain?A study was introduced that examined the effect of lig...

A: Part (a): Correlation coefficient: From the given output, The correlation coefficient for BMGain and...

Q: Write down the confidence interval formula for image 1 . Is the correct answer image 2?

A: Confidence interval: If Xi’s are n random sample from normal population with mean µX and standard de...

Q: A bottle maker believes that 10% of his bottles are defective. If the bottle maker is right, what...

A: Obtain the probability that the proportion of defective bottles in a sample of 599 bottles would be ...

Q: A civil engineer tested concrete samples to investigate the difference in strength, in newtons per s...

A: It is given that 95% confidence interval for the difference in the mean strength between the samples...

Q: An experiment was conducted to investigate whether there is a difference in mean bag strengths for t...

A: Independent Two Samples t-test: Suppose there are two populations independent of one another. A rese...

Q: Consider the following sample of observations on coating thickness for low-viscosity paint. 0.83...

A: It is given that:

Q: Pls help with question 1 &2 using excel thank you

A: Note: Thank you for the question. Since multiple questions are posted, according to our policy, we a...

Q: A hospital director is told that 68% of the emergency room visitors are insured. Thedirector wants t...

A: State the hypotheses. That is, there is no evidence that the percentage of insured patients is over...

Q: Scatterplots give information about the ___________ of a relationship a. strength b. direction c. li...

A: Scatter plot: Scatter plot is a graphical technique is used to identify the correlation between two ...

Q: 4) The National Center for Education Statistics found that in 2015, 41% of students nationwide repor...

A: The known values are, Null and alternative hypothesis: Significance level:

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 1313 for the population...

A: Click to see the answer

Q: A study found that the heights of college males follow a normal distribution with a mean of 70 inche...

A: Given information- Mean height, μ = 70 inches Standard deviation, σ = 2.5 inches We have to find the...

Q: The null hypothesis for ANOVA states that a. the variables are independent b. the variables are rela...

A: ANOVA: In one factor ANOVA model only one factor is studied, that is only the effect on one factor i...

Q: Identify the following critical values: A. za/2 for a confidence level of 99% B. ta/2 for n = 15 and...

A: Solution: A. The confidence level is 0.99 Then, the critical value is

Q: The F distribution is defined using two parameters. They are ____________ and ______________.

A: The F distribution is the ratio of two chi-square distributions with the degree of freedom v1 and v2...

Q: Menopause in Mexico. In the article ‘‘Age at Menopause in Puebla, Mexico” (Human Biology, Vol. 75, N...

A: Given information Mean(µ) = 44.8 years Standard deviation (σ) = 5.87 years a) n = 40 n > 30 So as...

Q: Which of the following is NOT true when investigating two population proportions? Choose the co...

A: Determine which of the following is NOT true when investigating two population proportions. The corr...

Q: Using traditional methods it takes 107 hours to receive an advanced flying license. A new training t...

A: State the hypotheses. That is, there is no evidence to conclude that the mean technique lengthens t...

Q: This exercise is based on summary statistics rather than raw data. This information is typically all...

A: (a) From the given information, the claim of the problem is women talk more than men. Let us def...

Q: An educational researcher wishes to know if there is a difference in academic performance for colleg...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Chapter 08, Section 8.4, Problem 060a Determine the most conservative sample size for the estimation...

A: Problem 060 a Obtain the sample size of a no preliminary estimate for p. The formula of sample size ...

Q: Loan Amounts. B. Ciochetti et al. studied mortgage loans in the article “A Proportional Hazards Mode...

A: Therefore, the sampling distribution of the sample mean & standard deviation for samples of size...