PLEASE HELP ME I BEG YOU I REALLY NEED HELP PLEASE PLEASE 

Find the range of the following set of data.
13, 11, 4, 5, 6, 9, 10, 12, 15, 16
12

13

10

11


range = 16 - 4 = 12
answer:
12

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Find the median of the following set of data.
13, 11, 4, 5, 6, 9, 10, 12, 15, 16

No median

10

9

10.5
order from smallest to largest:
4, 5, 6, 9, 10, 11, 12, 13, 15, 16
median is the middle number = (10+11)/2 = 10.5
answer
10.5
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What is the standard deviation of the following data? If necessary, round your answer to two decimal places 17, 13, 13, 22, 11, 20

7

6

5

4
first find the mean then each number in the set, subtract the mean and square the result.
Then add all the square together and find mean(average) of the squares
Finally take the square root of the second mean to get the  standard deviationÂ
answer
4
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What is the standard deviation of the following data? If necessary, round your answer to two decimal places.
9, 10, 10, 8, 7, 11, 12, 9

1.4
1.5

1.6

1.7
answer
1.6
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What is the standard deviation of the following data? If necessary, round your answer to two decimal places.
10, 16, 12, 15, 9, 16, 10, 17, 12, 15

3.45

3.21

2.98

2.94


answer

2.94


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Match the following definition to the term.
A subset of the total set of observations.

population

sample

parameter

sampling method


answer
sample
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Match the following definition to the term.
 Measureable characteristic of a population.

population

sample

parameter

sampling method
answer
parameter

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The prices of five used cars are given below. Which price is an outlier to the data set?$16,250, $11,495, $65,022, $9,053, $21,244

$9,053

$11,495

$65,022

There are no outliers
answer
$65,022
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Find the mode of the following set of data.
13, 11, 4, 5, 6, 9, 10, 12, 15, 16

11

12

No mode

16

answer
No mode

