Project #41703 - Complete project

Table 1:  Sorted Set of Random Data.

 

Obs.

Data points

Obs.

Data points

Obs.

Data points

Obs.

Data points

1

32

11

27

21

11

31

5

2

21

12

22

22

67

32

43

3

74

13

72

23

31

33

14

4

32

14

44

24

71

34

4

5

65

15

39

25

9

35

68

6

62

16

1

26

44

36

61

7

26

17

3

27

14

37

5

8

72

18

15

28

8

38

47

9

10

19

70

29

12

39

51

10

32

20

61

30

17

40

66

Obs. – Observation

2. Use technology to find the mean, median, standard deviation, and variance. Also determine the range and sample size. Put these values into a table with the proper symbol or term in the left column and the value of the statistic in the right column. The statistics should be rounded properly. Label this “Table 2: Important Statistics.”

Table 2:  Important Statistics.

 

Statistic

Value

Mean (µ)

 

Median (Md)

 

Mode (Mo)

 

Standard deviation()

 

Variance ()

 

Range (R)

 

Skew (SK)

 

Sample size (n)

 

 

3. Find the minimum and maximum usual values (mean – 2SD, mean + 2SD) and put them in a table. Put the proper symbols in the left column and the value of the statistic in the right column. Label this “Table 3: Minimum and Maximum Usual Values.”

Table 3: Minimum and Maximum Usual Values.

 

Statistic

Value

Minimum value (X1)

 

Maximum value (Xn)

 

 

4. Using 5 to 10 class intervals, organize the data as a frequency distribution in a table. The intervals of the frequency distribution should be rounded to match the data. Label this “Table 4: Frequency Distribution.”

 

Table 4:  Frequency Distribution.

Classes

Frequency (F)

LL

UL

     
     
     
     
     
     
     

 

5. Use Excel (or similar software) to construct a frequency histogram to illustrate the data. Give the axes the proper titles. Label this “Graph 1: Histogram.”

 

 

Subject Mathematics
Due By (Pacific Time) 10/1/2014 12 pm
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