Mathematics, 20.05.2021 03:40 sindy35111

Which of the following situations would provide a random sample that is not biased?

a) Determining the average number of hours
per week that people exercise, by
randomly surveying 200 members of
"Muscle Beach Gym".
b) Determining who will win the election for
Senior class president, by randomly
surveying 100 seniors after they vote.
c) Determining the average number of dogs
per household in a city, by randomly
surveying 100 people attending a pet
show in the city.
d) Determining the perceħt of households
who have at least 1 computer, by
randomly surveying 500 customers at a
computer store

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 13:30

Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24

Answers: 2

Answer

Mathematics, 21.06.2019 16:10

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Answers: 1

Answer

You know the right answer?

Which of the following situations would provide a random sample that is not biased?

a)...

Questions

Mathematics, 19.01.2020 02:31

Seven cookies of radius $1$ inch are cut from a circle of cookie dough, as shown. neighboring cookies are tangent, and all except the center cookie ar...

Mathematics, 19.01.2020 02:31