Posted by **Lina** on Monday, August 10, 2009 at 12:30pm.

A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in file. Using the 0.025 level of significance in a one-tail test, would females appear to exhibit more variability than males in the length of time shopping in this mall?

females males

26 33

35 40

75 50

63 32

36 28

71 39

54 32

68 33

37 31

48 36

42 26

43 37

73 38

55 21

47 39

71 48

27 38

56 36

37 59

25 59

88 53

42 59

33 35

66 38

45 24

53 28

46 45

74 28

58 23

51 15

58 61

48 31

48 17

42 55

55 31

50 55

61 37

28 36

41 20

58 48

- statistics -
**Ms. Sue**, Monday, August 10, 2009 at 12:46pm
What file? We can't help you unless we know the minutes listed in the file.

- statistics -
**Lina**, Monday, August 10, 2009 at 1:00pm
females males

26 33

35 40

75 50

63 32

36 28

71 39

54 32

68 33

37 31

48 36

42 26

43 37

73 38

55 21

47 39

71 48

27 38

56 36

37 59

25 59

88 53

42 59

33 35

66 38

45 24

53 28

46 45

74 28

58 23

51 15

58 61

48 31

48 17

42 55

55 31

50 55

61 37

28 36

41 20

58 48

- statistics -
**MathMate**, Monday, August 10, 2009 at 9:10pm
Lina, either you reproduce the contents of the file so we can see the numbers, or you provide a link from where we can download the file for informtion. As Ms Sue said, it would not be possible to give further help if we don't see the data.

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