Mathematics, 26.02.2020 03:57 tjacqueline9753
The radio music listener market is diverse. Listener formats might include adult contemporary, album rock, top 40, oldies, rap, country and western, classical, and jazz. In targeting audiences, market researchers need to be concerned about the ages of the listeners attracted to particular formats. Suppose a market researcher surveyed a sample of 173 listeners of country music radio stations and obtained the following age distribution. Age Frequency
15 — under 20 9
20 — under 25 16
25 — under 30 27
30 — under 35 44
35 — under 40 42
40 — under 45 23
45 — under 50 7
50 — under 55 2
a. What are the mean and modal ages of oldies listeners?
b. What are the variance and standard deviation of the ages of oldies listeners?
Answers: 3
Mathematics, 21.06.2019 19:50
Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4
Answers: 1
Mathematics, 22.06.2019 00:30
Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case:
Answers: 3
Mathematics, 22.06.2019 00:30
Brent paid for 6 avocados with a $20.00 bill. he received $10.40 in change. construct and solve an equation can be used to find the price , of each avocados
Answers: 1
Mathematics, 22.06.2019 00:50
Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.
Answers: 1
The radio music listener market is diverse. Listener formats might include adult contemporary, album...
History, 04.11.2019 12:31
English, 04.11.2019 12:31
English, 04.11.2019 12:31
Chemistry, 04.11.2019 12:31
Chemistry, 04.11.2019 12:31
Mathematics, 04.11.2019 12:31
English, 04.11.2019 12:31
Social Studies, 04.11.2019 13:31
Social Studies, 04.11.2019 13:31
Biology, 04.11.2019 13:31
Mathematics, 04.11.2019 13:31