Mathematics, 22.09.2020 04:01 Chantamariepaul

2.5 8.7 * 9.6 4.6 * 5.1 9.9 * 10.0 6.0 10.3 * 10.5 6.5 * 6.6 11.6 8.5 12.0 Consider the sample of n = 20 scores. Notice that they are listed in order from 2.5 to 12.0,
but that some of the scores are obscured by *. The mean, M, of these scores is 8.0. Suppose you are asked for the sample standard deviation of these scores. Since you don't have all of them, you cannot calculate it. Which of the following is the best estimate of the sample standard deviation?
a. 9.5
b. 0.5
c. 6.4
d. 2.7

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, hannahking1869

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Answers: 1

continue

Mathematics, 21.06.2019 18:00, tonii01

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Answers: 1

continue

Mathematics, 21.06.2019 21:00, tmanpierce

Write the equation in logarithmic form m^x=n

Answers: 1

continue

Mathematics, 21.06.2019 22:50, tali2561

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Answers: 1

continue

You know the right answer?

2.5 8.7 *** 9.6 4.6 *** 5.1 9.9 *** 10.0 6.0 10.3 *** 10.5 6.5 *** 6.6 11.6 8.5 12.0 Consider the s...