The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 1429 1225 990 700 723 837 726
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 1429 1225 990 700 723 837 726
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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Question
The state test scores for
12
randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below.Assume the population is
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|
Question content area bottom
Part 1
(a) Find the sample mean.
x=enter your response here
(Round to one decimal place as needed.)Part 2
(b) Find the sample standard deviation.
s=enter your response here
(Round to one decimal place as needed.)Part 3
(c) Construct a
99%
confidence interval for the population mean
μ.
A
99%
confidence interval for the population mean is
(enter your response here,enter your response here).
(Round to one decimal place as needed.)
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