Question

In: Statistics and Probability

Exercise 1 Create a data file in SPSS using the following memory scores for this sample...

Exercise 1

Create a data file in SPSS using the following memory scores for this sample of 15 fictional patients with dementia:

8

3

11

7

6

5

4

8

9

8

7

9

5

4

10

Higher memory number indicates better memory performance. Use this information to complete the following in SPSS.

17)

Run descriptive statistics on the dementia patients’ memory scores (make sure to include the mean and confidence interval by using the “Explore” option as shown in this week’s presentation).

Solutions

Expert Solution

Enter the variable name as Memory_score in variable view

Go to analyze -->Descriptive Statistics -->Explore

Dependent List = Memory_Loss ,

Go To statistics --> Check Descriptive

Enter 95% for confidence interval -->continue --> Ok

Output

Case Processing Summary

Cases

Valid

Missing

Total

N

Percent

N

Percent

N

Percent

Memory_Score

15

100.0%

0

0.0%

15

100.0%

Descriptives

Statistic

Std. Error

Memory_Score

Mean

6.9333

.61308

95% Confidence Interval for Mean

Lower Bound

5.6184

Upper Bound

8.2483

5% Trimmed Mean

6.9259

Median

7.0000

Variance

5.638

Std. Deviation

2.37447

Minimum

3.00

Maximum

11.00

Range

8.00

Interquartile Range

4.00

Skewness

-.057

.580

Kurtosis

-.940

1.121

BOX PLOT

Case Summariesa

Memory_Score

1

8.00

2

3.00

3

11.00

4

7.00

5

6.00

6

5.00

7

4.00

8

8.00

9

9.00

10

8.00

11

7.00

12

9.00

13

5.00

14

4.00

15

10.00

Total

N

15

a. Limited to first 100 cases.

Screenshot of Dialog box


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