A sample is selected from a population in cases where selecting data from the entire population is either very difficult or very expensive.
Indicate whether the statement is true or false
Q. 2In a box plot, the line inside the box represents the ________.
A) mean
B) median
C) mode
D) range
Q. 3In a forecast chart provided by Crystal Ball for the cumulative net profit of a particular year, you intend to find the cumulative profit for a given probability value. In this scenario, you should ________.
A) enter the probability value in the left range box of the forecast chart and press the enter key
B) enter the probability value in the right range box of the forecast chart and press the enter key
C) first anchor the right grabber at infinity and then enter the probability value in the Certainty box
D) first anchor the left grabber at infinity and then enter the probability value in the Certainty box
Q. 4The sample mean is an estimate of and may be either higher or lower than depending on the sample.
Indicate whether the statement is true or false
Q. 5When there are two treatment groups, one-way ANOVA is equivalent to the pooled-variances t-test for difference between means.
Indicate whether the statement is true or false
Q. 6A census is an enumeration of the entire sample of items selected from the population of interest.
Indicate whether the statement is true or false
Quick Reply
