Question

Using the following data:

Coin

7

2

6

2

4

4

6

7

3

6

4

4

4

4

5

4

3

3

5

4

4

5

3

7

7

3

3

5

2

5

3

5

7

4

4

Calculate descriptive statistics for the variable (Coin) where each of the thirty-five students in the sample flipped a coin 10 times. (Round your answers to three decimal places)

Mean =

Standard Deviation =

Answer 1

Solution:

x	x2
7	49
2	4
6	36
2	4
4	16
4	16
6	36
7	49
3	9
6	36
4	16
4	16
4	16
4	16
5	25
4	16
3	9
3	9
5	25
4	16
4	16
5	25
3	9
7	49
7	49
3	9
3	9
5	25
2	4
5	25
3	9
5	25
7	49
4	16
4	16
---	---
∑x=154	∑x2=754