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21 November, 13:15

Steel Factory Workers Ages

Mean: 42

Median: 38

Range: 52

Mean Deviation: 11.23

Shift 1

18

25

56

42

29

38

54

47

35

30

Shift 2

23

19

50

49

67

34

30

59

40

33

Shift 3

19

22

24

40

45

29

33

29

39

59

Shift 4

21

23

25

40

35

19

70

40

22

23

The summary statistics for all of the workers at a steel factory are shown. Four sample groups were taken from each of the four shifts. For which sample group is the mean closest to the population mean?

A) Shift 1

B) Shift 2

C) Shift 3

D) Shift 4

+5
Answers (2)
  1. 21 November, 15:10
    0
    Shift 2 i think ...
  2. 21 November, 15:20
    0
    B) just took the test in USA test
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