Solved

A Random Sample Is Selected from a Normally Distributed Population

Question 93

Multiple Choice

A random sample is selected from a normally distributed population. The following sample statistics are obtained: n = 20, A random sample is selected from a normally distributed population. The following sample statistics are obtained: n = 20, = 30, and s = 10. Based on this information, and using a 95% confidence level, which of the following is a valid calculation from the sample statistics? A) The critical value is 1.7921. B) The critical value is 1.96. C) The standard deviation of the sampling distribution ofis 0.50. D) The margin of error is approximately4.68. = 30, and s = 10. Based on this information, and using a 95% confidence level, which of the following is a valid calculation from the sample statistics?


A) The critical value is 1.7921.
B) The critical value is 1.96.
C) The standard deviation of the sampling distribution ofis 0.50.
D) The margin of error is approximately4.68.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q88: If you wish to test <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4962/.jpg"

Q89: Which of the following best describes the

Q90: We are testing for the difference between

Q91: Matched pairs sampling may be used when

Q92: In testing <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4962/.jpg" alt="In testing

Q94: A random sample of 20 observations is

Q95: An assumption behind the t distribution is

Q96: Two independent samples are selected at random

Q98: To estimate with 95% confidence the average

Q161: The F distribution is symmetric.