A cable company is trying to decide which movie channel to offer as a promotion for customers who have subscribed to their service
for 5 years or more. The company decides to include a survey question at the bottom of the monthly statement of each customer who
meets the requirement. The customer can check off their channel choice. Are the results of the survey reliable? Why or why not?
A)
The results are not reliable because mail can get lost.
The results are not reliable because people are in a bad mood when they
receive a monthly statement.
Eliminate
The results are not reliable because other customers will reach the 5 year
goal before the end of the year.
The results are reliable because all of the qualifying customers will
receive a statement and be able to participate in the survey.

Name and describe the three most important measures of central tendency. choose the correct answer below. a. the mean, sample size, and mode are the most important measures of central tendency. the mean of a data set is the sum of the observations divided by the middle value in its ordered list. the sample size of a data set is the number of observations. the mode of a data set is its highest value in its ordered list. b. the sample size, median, and mode are the most important measures of central tendency. the sample size of a data set is the difference between the highest value and lowest value in its ordered list. the median of a data set is its most frequently occurring value. the mode of a data set is sum of the observations divided by the number of observations. c. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is the product of the observations divided by the number of observations. the median of a data set is the lowest value in its ordered list. the mode of a data set is its least frequently occurring value. d. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is its arithmetic average. the median of a data set is the middle value in its ordered list. the mode of a data set is its most frequently occurring value.