For the data set 6, 5, 10, 11, 13, the mean, x, is 9. What is the standard deviation?
The formula for the sample standard deviation is s =
2(x - 5)2
In-1
Use the table to help you.
х
x-X
6
-3
5
-4
(x - x)²
9
16
1
4
10
11
1
2
13
4
16
46
Sum =
Round your answer to the nearest tenth.

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.