Two students, John and Ali, from different high schools, wanted to find out who had the highest GPA when compared to his school. Which student had the highest GPA when compared to his school? Student GPA School Mean GPA School Standard Deviation 2.85 77 John Ali Table 2.34 3.0 80 0.7 10

Which statistic would you use if you are interested in comparing the mean number of hours worked by sex.

Consider a data set: 1, 2, 5, 6, 7, 6. Find the range, variance, and standard deviation for this data set Please answer quickly

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A local store owner is interested in finding the mean age of her customers. She randomly surveys 82 customers and records their age. Identify the population, sample, variable, type of variable, parameter, and statistic.

On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what was his z-score?

Cherise is interested in how her friends compare to the population for number of hours of television watched during a single week. She collects the data from 9 of her friends. The average for her friends is 28 hours, with a standard deviation of 9. She knows that the population mean is 34. What is the t statistic?

Use these Reading scores to anwser the following questions 7, 7, 8,10,14 ,11,13, 9, 8,12,15,15 A. Find the mean of the reading scores B. Write the value of the standard deviation in decimal form

Find the​ mean, median, and mode of the​ data, if possible. If any of these measures cannot be found or a measure does not represent the center of the​ data, explain why.   A sample of seven admission test scores for a professional school are listed below.     11.1 ,  10.7 ,  10.4 ,  9.5 ,  11 ,  9.5 , 11.4     What is the mean​ score? Select the correct choice below and fill in any answer box to complete your choice.     A. The mean score is= ​(Round to one decimal place as​ needed.)   B. There is no mean score.     What is the median​ score? Select the correct choice below and fill in any answer box to complete your choice.   A. The median score is= ​(Round to one decimal place as​ needed.)   B. There is no median score.   What is the mode of the​ scores? Select the correct choice below and fill in any answer box to complete your choice.     A. The​ mode(s) of the scores is​ (are)= ​(Use a comma to separate answers as​ needed.)   B. There is no mode.

According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the standard deviation is 3 inches.  If Zsike is 67 inches tall, what is her z-score?