B) If a population is not normally distributed, then the variable X is approximately normally distributed for large sample sizes. C) If a population is normally distributed, then X has to be normally distributed, even for small sample sizes. D) A sampling distribution has the same mean and standard deviation as the population distribution. E) Suppose a confidence interval is constructed to estimate the mean µ of a population using a sample of size n = 10. A 95% confidence interval will be more narrow than a 99% confidence interval. F) Increasing sample size will decrease the width of a confidence interval G) If we construct two 95% confidence intervals using two independent random samples of size n = 29 from the same population, then the confidence intervals may or may not be the same width. H) A hypothesis test can only be performed if a sample size is large.
B) If a population is not normally distributed, then the variable X is approximately normally distributed for large sample sizes. C) If a population is normally distributed, then X has to be normally distributed, even for small sample sizes. D) A sampling distribution has the same mean and standard deviation as the population distribution. E) Suppose a confidence interval is constructed to estimate the mean µ of a population using a sample of size n = 10. A 95% confidence interval will be more narrow than a 99% confidence interval. F) Increasing sample size will decrease the width of a confidence interval G) If we construct two 95% confidence intervals using two independent random samples of size n = 29 from the same population, then the confidence intervals may or may not be the same width. H) A hypothesis test can only be performed if a sample size is large.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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True or false
 alt="9:39 AM Thu Dec 10
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B) If a population is not normally distributed, then the variable X is approximately
normally distributed for large sample sizes.
C) If a population is normally distributed, then X has to be normally distributed,
even for small sample sizes.
D) A sampling distribution has the same mean and standard deviation as the
population distribution.
E) Suppose a confidence interval is constructed to estimate the mean u of a
population using a sample of size n = 10. A 95% confidence interval will be more
narrow than a 99% confidence interval.
F) Increasing sample size will decrease the width of a confidence interval
G) If we construct two 95% confidence intervals using two independent random
samples of size n = 29 from the same population, then the confidence intervals
may or may not be the same width.
H) A hypothesis test can only be performed if a sample size is large.
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B) If a population is not normally distributed, then the variable X is approximately
normally distributed for large sample sizes.
C) If a population is normally distributed, then X has to be normally distributed,
even for small sample sizes.
D) A sampling distribution has the same mean and standard deviation as the
population distribution.
E) Suppose a confidence interval is constructed to estimate the mean u of a
population using a sample of size n = 10. A 95% confidence interval will be more
narrow than a 99% confidence interval.
F) Increasing sample size will decrease the width of a confidence interval
G) If we construct two 95% confidence intervals using two independent random
samples of size n = 29 from the same population, then the confidence intervals
may or may not be the same width.
H) A hypothesis test can only be performed if a sample size is large.
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