The ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The range of the distribution of ages is 3. The table displays all possible samples of size 2 and the corresponding ranges for each sample. Sample n 2 Sample Range 18, 17 18, 16 18, 16 18, 15 18, 15 3 17, 16 17, 15 16 18, 18 18, 17 1 1 Using the values in the table, is the sample range an unbiased estimator? O Yes, 3 is the maximum of the sample ranges. O Voe the ranne of the cam dietrihutinn of the eamnle ranne ie ? Save and Exit Next Submit Mark this and return

K 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. s €3 W S View an example H Actress (years) 27 27 28 Actor (years) 56 35 x and a. 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). Ho: Hd year(s) = H₁: Hyear(s) (Type i In this example, He is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the actress's age minus the actor's age. What are the null and alternative hypotheses for the hypothesis test? 3 = > E D V Clear all [ option ? I Check answer . delete…

13 Find the median for the following group of data items. 25, 22, 21, 20, 26, 23, 19, 21   The median is _______. ​(Type an integer or a​ decimal.)

In the data set below, the frequency of is 5, 7, 1, 12, 17, 5, 1, 7, 10, 5 5 3 --- 12 15 1 3 10

3. The data shows the number of students who got scores in Algebra. Given the frequency distribution below, find the mode of the grouped data. Scores in Algebra 75-79 6. 70-74 7. 65-69 2. 60-64 8. 12 55-59 7. 50-54 10 45-49 8. 40-44

THE DATA SHOW  THE SCORES OF THE WINNING TEAMS IN THE ROSE BOWL. CONSTRUCT A FREQUENCY DISTRIBUTION FOR  THE DATA USING A CLASS WIDTH OF 8. 28,34,37,34,17,38,21,20,41,38,24,20,45,21,26,38,48,32,41,38,21,38,34,46,17,22,20,22,45,20,45,24,28,23,17,17,27,14,23,18 FIND THE CLASS LIMITS. THE FIRST LOWER CLASS LIMIT IS 14.

ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The range of the distribution of ages is 3. The e displays all possible samples of size 2 and the corresponding ranges for each sample. Sample n 2 Sample Range 18, 17 18, 16 2 18, 17 18 18 18, 16 2 18, 15 3 18, 15 17, 16 17, 15 16, 15 1 1 1 1 ng the values in the table, is the sample range an unbiased estimator? Yes, 3 is the maximum of the sample ranges. Yes, the range of the sampling distribution of the sample range is 3. No, 80% of the possible values of the range of the samples is less than 3. 42 No, the mean of the sampling distribution of the sample ranges is 1.6, which is not 3.

Full data set 3. The data to the right represent the number of chocolate chips per cookie in a random sample of a name brand and a store brand. Complete parts (a) to (c) below. Name Brand Store Brand 22 29 24 22 28 23 25 22 17 28 24 35 32 28 33 27 23 31 26 28 15 24 23 21 (a) Draw side-by-side boxplots for each brand of cookie. Label the boxplots "N" for the name brand and "S" for the store brand. Choose the correct answer below. O A. OB. OC. N- S- 30 40 40 (b) Does there appear to be a difference in the number of chips per cookie? O A. Yes. The store brand appears to have more chips per cookie. O B. Yes. The name brand appears to have more chips per cookie. O C. No. There appears to be no difference in the number of chips per cookie. O D. There is insufficient information to draw a conclusion. (c) Does one brand have a more consistent number of chips per cookie? O A. Yes. The store brand has a more consistent number of chips per cookie. B. No. Both brands have roughly the same number…