Roe's friends are members of frank's gym. the dot plot shows the number of days that roe's friends worked out at frank's gym last month. the most common number of days that roe's friends worked out last month is a. 21 b. 23 c. 25 d. 27 days. a. 5 b. 6 c. 23 d. 27 of roe's friends worked out fewer than than 24 days.

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?