Question

Ideal Number of Frequency Children 27 521 263 67 10 This past year, an organizaton conducted a survey and asked, "What do you think is the ideal number of chidren for a family to have?" The results of the survey are shown in the table. Complete parts (a) through (e) l Click the ican to view the data table (a) Consruct a relative frequency histogram for the ideal number of chldren. Choose the correct graph below. O A O B O C. O D. 24 10 2468 10 246810 Comment on the shape of the diatribution. Choose the correct answer bekow. OA The distribution is skewed left. O B. The distribution is uniform C. The distribution is symmetric 。D. The distribution is skewed nght. (b) What is the mode ideal number of ㎝ildren? Select the oorrect choice and, if necessary, fill in the answer box to complete your anser. 0 A The mode ideal number of children is(ar) OB. There is no mode. (c) Determine the mean number of chidren. The mean number of chidren is (Use a comma to separate answers as needed) Round to two decimal places as Determine the standard deviation number of ch dren The standard deviation number of children is (Round to two decimal places as needed.) his population. (d) Explain why a large sample size is noeded to perform any inferance regarding t hoose the correct answer below. O A. The standard deviation is less than the mode O B. The mean number is greater than the standard deviation. O C. The data are clearly skewed to the right 0 The data are symmetric. e Ten years ago, the deal number o eren was considered to be 74 e results of this po ind at the people's b els as to the deal number o c dren have changed? Use a· 05 e nu ar d at o eter a e h ses e o Calcuiate the test statistic, t Round to two decimall places as needed) Calculate the P-value. P-vaue- (Round to three decimal places as needed.) Stute the conclusion for the test O A. Do not rujoct H0 because the P-value is less than the α :0.05 leval of significance. O B. Reject H0 because tho P-value is less than the α-0.05 level of significance. O C. Reject H0 because the P-value is greater than the α-0.05 level of significance. O D. Do not reject H0 because the P-value is greater than the α-0.05 level of significance. Do the resuts of this poll indicate that people's beliefs as to the ideal number of children have changed? Thore | ▼ suficient evidence at the α-0.05 level of signif anco to condude that people's beliefs as to the ideal number of children have changed.

Answer 1