You are interested in finding a 90% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 15 randomly selected college students. 6,4,0,2,0,1,1,0,3,9,7,2,11,6,5 Assume a normal distribution and round your answers to two decimal places. A.To compute the confidence interval, use the__________ distribution. a. T b. Normal B. With 90% confidence the population mean number of days of class that college students miss is between (1a.)_________and (2b) __________days. (1a)
You are interested in finding a 90% confidence interval for the average number of days of class that college students miss each year. The data below show the number of missed days for 15 randomly selected college students.
6,4,0,2,0,1,1,0,3,9,7,2,11,6,5
Assume a
A.To compute the confidence interval, use the__________ distribution. a. T
b. Normal
B. With 90% confidence the population mean number of days of class that college students miss is between (1a.)_________and (2b) __________days. (1a)
a. 2.23
b. 2.45
c. 2.07
d. 2.11
(2b)
a. 4.44
b. 5.37
c. 4.95
d. 5.11
C. If many groups of 15 randomly selected college students are surveyed, then a different confidence interval would be produced from each group. About_________ (options "90", "5", "10", "95", "50") percent of these confidence intervals will contain the true population mean number of missed class days and about __________(options "95", "90", "10", "50", "5")percent will not contain the true population mean number of missed class days.
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