The average child has 10 toys on their Christmas List. Is the mean different for Christmas Lists of children in Walnut, California? The data show the results of a survey of 14 children in Walnut who were asked how many toys they have in their Christmas List. Assume that the distribution of the population is normal. 9, 10, 9, 10, 9, 9, 7, 7, 8, 8, 11, 7, 11, 10 What can be concluded at the a = 0.10 level of significance? %3D a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: |? Select an answer H1: ? Select an answer c. The test statistic ? (please round your answer to 3 decimal places.) d. The p-value = |(Please round your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton mean is significantly different from 10 at a = 0.10, so there is sufficient evidence to conclude that the population mean number of toys on the Christmas List of children in Walnut is different from 10. O The data suggest that the population mean number of toys on the Christmas List of children in Walnut is not significantly different from 10 at a = 0.10, so there is insufficient evidence to conclude that the population mean number of toys on the Christmas List of children in Walnut is different from 10. O The data suggest the population mean is not significantly different from 10 at a = 0.10, so there is sufficient evidence to conclude that the population mean number of toys on the Christmas List of children in Walnut is equal to 10. %3!

Suppose that the mean score of a class of 32 students was 77. The 18 male students in the class had a mean score of 68. What was the mean score for the 14 female students? Mean Score for Female Students =

Please answer B, C, and D

Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?

Draw a box plot for data of 12, 25, 9, 3, 8, 10 (take k = 1.5)

Q2. Define population in terms of statistics and describe why are samples needed and how are they collected. Give an example of a population and sample.

If the mean of a data set is 22 and the SD is 5, what % of the values fall between 12 and 27? Give a 2-decimal

A researcher wishes to see if there is a difference in the number of stories in the tall buildings of Makati, Ortigas, and Bonifacio Global City. The researcher randomly selects five buildings in each city and records the number of stories in each building. The data are shown in the table below. At a = 0.05, can it be concluded that there is a significant difference in them mean number of stories in the tall buildings in each city? Do you reject the null hypothesis? Refer to QUESTION NO. 3a. Bonifacio Global Makati Ortigas City 53 85 98 67 52 54 75 60 45 52 57 41 36 94 83 34 42 49 Select one: O True O False 万以

The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9, 7, 9, 7, 5.5, and 4.5 respectively, what was the 7th student's score? 7th student's score:

If a sample of 23 swimmers is taken from a population of 74 swimmers, the population mean u is the mean of how many swimmers times