Consider the following. A random sample of size n = 25 is selected from a normal population with mean μ = 109 and standard deviation σ = 14. Describe the shape of the sampling distribution of the sample mean. O The distribution is exactly normal. O The distribution is skewed right. O The distribution is skewed left. The distribution is approximately uniform. O The distribution is approximately normal. Find the mean and standard error of the sampling distribution of the sample mean. mean standard error

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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Consider the following.
A random sample of size n = 25 is selected from a normal population with mean μ = 109 and standard deviation σ = 14.
Describe the shape of the sampling distribution of the sample mean.
O The distribution is exactly normal.
O The distribution is skewed right.
O The distribution is skewed left.
The distribution is approximately uniform.
O The distribution is approximately normal.
Find the mean and standard error of the sampling distribution of the sample mean.
mean
standard error
Transcribed Image Text:Consider the following. A random sample of size n = 25 is selected from a normal population with mean μ = 109 and standard deviation σ = 14. Describe the shape of the sampling distribution of the sample mean. O The distribution is exactly normal. O The distribution is skewed right. O The distribution is skewed left. The distribution is approximately uniform. O The distribution is approximately normal. Find the mean and standard error of the sampling distribution of the sample mean. mean standard error
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