Qba Final Exam Study Guide 112 Questions With 100% Correct Answers

What does it mean when we say that the tails of the normal curve are asymptotic to the x axis? {Ans: The tails get closer and closer to the x axis but never touch it.}What is the most important element in a chart? {Ans: The data; it doesn't matter how the chart looks if the content is inaccurate or incomplete}What would the output be if the logical test in the following statement was true? =IF(C4>50, "Nailed It!", "Doh!") {Ans: Nailed It!}What does the CountIF syntax tell you to select for the inputs? =COUNTIFS (Criteria_range1, criteria1, ...) {Ans: Cells to look in, value(s) to look for}Based on the empirical rule ________ percent of the observations will be contained within 1 standard deviations around the arithmetic mean, ________ percent of the observations will be contained within 2 standard deviations around the arithmetic mean, and ________ percent of the observations will be contained within 3 standard deviations around the arithmetic mean. {Ans: about 68, about 95, and about 99}What is correlation? {Ans: How much the change in 1 variable is related to a change in another variable}