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Alcohol Placebo 9 8 10 8 11 9 12 16 13 11 15 11 17 12...

Alcohol

Placebo

9

8

10

8

11

9

12

16

13

11

15

11

17

12

19

13

20

15

21

15


What is the mean, median, mode, and standard deviation for the alcohol group?

what is the mean median, mode, and standard deviation for the placebo group?

what is the most appropriate graph to use for the placebo group?

math   Statistics-And-Probability   
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Answer #1

Answer: for 1st and 2nd question:

using MS-Excel:

for mean,median,mode, and standard deviation

Path:Data Data Analysis Descriptive Statistics select input range and output range

for mode of alcohol, there is no any most frequent value, so there is no any mode value.

for 3rd que, bar plot gives appropriate representation of number of placebo.

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