What is the t critical value when n = 17 and C = 95%?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Answer all of them (1,2,3) tysm!
What is the t critical value when n = 17 and C = 95%?
2.145
O b. 2.120
O c. 2.110
d.
2.131
What is the z critical value when C 95%?
2.575
Ob.
1.96
Oc.
1.645
O d. 1.65
What is the 95% confidence interval for the mean number of hours spent by senior high school students using
Google services per day? A sample of 20 produced a mean of 10 hours and a standard deviation of 3 hours.
8.60 to 11.40
O b. 8.56 to 11.44
8.59 to 11.40
Od.
8.60 to 11.39
Transcribed Image Text:What is the t critical value when n = 17 and C = 95%? 2.145 O b. 2.120 O c. 2.110 d. 2.131 What is the z critical value when C 95%? 2.575 Ob. 1.96 Oc. 1.645 O d. 1.65 What is the 95% confidence interval for the mean number of hours spent by senior high school students using Google services per day? A sample of 20 produced a mean of 10 hours and a standard deviation of 3 hours. 8.60 to 11.40 O b. 8.56 to 11.44 8.59 to 11.40 Od. 8.60 to 11.39
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