THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Consider the following (x,y)sample data:
(24,24),(19,33),(21,31),(10,36),(22,30),(13,36),(21,32),(23,26),(20,26),and
(21,31).
-Calculate the variances 
and 
and the covariance sxy.
Definitions:
Significance Level
The likelihood of incorrectly dismissing the null hypothesis in a statistical assessment, acting as a benchmark for judging the statistical significance of an outcome.
Standard Error of Estimate
A measure used in statistics to indicate the accuracy of predictions made with a regression line, representing the average distance that the observed values fall from the regression line.
Television Game Shows
Competitive entertainment programs on TV where participants play games to win prizes, often involving questions, physical challenges, or puzzles.
Regression Line
A line that best fits the data points in a scatter plot, showing the relationship between a dependent variable and one or more independent variables.
Q31: What is the probability that an executive
Q34: The number of orders shipped to a
Q62: What is the expected number of pieces
Q122: A cable company,based on a survey of
Q160: For which type of distribution is the
Q191: What is the probability that two or
Q217: If a plane has just left on
Q236: A table used to organize data where
Q242: A continuous random variable is a random
Q252: Which of the following measure of dispersion