PLEASE SHOW DETAILED WORK. Modified True-False-Read each question, paying attent

Question

PLEASE SHOW DETAILED WORK.

Modified True-False-Read each question, paying attention to the underlined phrase. If the statement is true, mark it true (T) on your answer sheet. If it is false, mark False (F) and make the correct change to the underlined phrase to make it true. (Each question is worth 2 points. There is no partial credit; your answer is either correct or incorrect.) The IQR measures how much uncertainty there is in a sample mean. In a sample of size 41, the standard error of the mean is always less than the standard deviation of an individual measurement. The standard deviation provides information about the location of a distribution. In a county of 800,000 persons, the prevalence rate of the flu during the first week of February was 2% of that population. The 2% number is considered a parameter. In a boxplot, the distance between the lower and upper edges of the box is known as the standard deviation. In a distribution that looks like the one in the diagram below, the mean will be smaller than the median.

Explanation / Answer

13a) False

The standard deviation is the measure of uncertainity of the distribution.

13b) True

13c) True

13d) True

13e) False

The distance between the lower abd upper edge of boxplot called IQR (inter quartile range).

13f) False

The mean of the positively skewed, that is right skewed distribution is greater than median (or mode).

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