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Find the mean. 34) 16, 7, 25, 16

Question : Find the mean. 34) 16, 7, 25, 16 : 2151660

Find the mean.

34) 16, 7, 25, 16

A) 16

B) 14.5

C) 23.7

D) 16.5

35) 72, 53, 72, 99, 53

A) 70.3

B) 69.8

C) 69.3

D) 87.3

36) 5, 5, 10, 5, 12, 9

A) 6.2

B) 7.7

C) 8.2

D) 9.2

37) 37, 40, 79, 40, 132, 94

A) 70.8

B) 69.8

C) 70.3

D) 84.4

38) 60, 39, 239, 30

A) 92.0

B) 122.7

C) 92.5

D) 91.5

39) 5.516, 5.596, 1.610, 7.307, 5.481

A) 5.102

B) 6.378

C) 2.199

D) 5.200

40) 1.29, 18.84, 8.68, 11.95, 1.83, 10.79, 9.77, 14.64

A) 8.64

B) 6.67

C) 9.72

D) 7.97

41) Six college buddies bought each other Christmas gifts. They spent:

$258.05 $277.46 $182.77

$226.45 $286.27 $203.87

What was the mean amount spent? Round your answer to the nearest cent.

A) $286.97

B) $274.97

C) $358.72

D) $239.15

42) Frank's Furniture employees earned the following amounts last week:

$249.98 $248.66 $482.92 $165.09 $436.71

$389.90 $538.13 $266.29 $286.44

What was the mean amount earned by an employee last week? Round your answer to the nearest cent.

A) $340.46

B) $383.02

C) $437.73

D) $333.79

43) The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data.

3.5 1.6 2.4 3.7 4.1

3.9 1.0 3.6 4.2 3.4

3.7 2.2 1.5 4.2 3.4

2.7 0.4 3.7 2.0 3.6

A) 2.80 in.

B) 3.27 in.

C) 3.09 in.

D) 2.94 in.

Find the mode(s) for the given sample data.

44) -20, -36, -46, -36, -49, -36, -49

A) -36

B) -38.9

C) -46

D) -49

45) 20, 42, 46, 42, 49, 42, 49

A) 49

B) 46

C) 42

D) 41.4

46) 96, 50, 32, 50, 29, 96

A) 50

B) 58.8

C) 96

D) 96, 50

47) 7.35, 7.41, 7.56, 7.35, 7.88, 7.99, 7.62

A) 7.594

B) 7.56

C) 7.41

D) 7.35

48) 62, 25, 62, 13, 25, 29, 56, 62

A) 25

B) 42.5

C) 62

D) 41.8

49) Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s).

52 60 65

54 53 61

59 58 50

A) 58

B) No mode

C) 52, 60, 65, 54, 53, 61, 59, 58, 50

D) 56.9

50) The weights (in ounces) of 14 different apples are shown below.

4.6 6.0 6.4 5.9 4.4 4.6 6.0

4.2 6.9 5.9 4.6 4.2 5.9 6.9

A) 5.25

B) 4.6

C) 4.6, 5.9

D) None

Find the indicated measure of central tendency.

51) The speeds (in mph) of the cars passing a certain checkpoint are measured by radar. The results are shown below. Find the midrange.

44.6 41.1 42.8 40.5 43.0

40.3 45.0 41.6 44.6 42.0

43.9 41.6 40.5 43.9 41.1

A) 42.0

B) 42.45

C) 42.65

D) 4.70

52) A meteorologist records the number of clear days in a given year in each of 21 different U.S. cities. The results are shown below. Find the midrange.

72 143 52 84 100 98 101

120 99 121 86 60 59 71

125 130 104 74 83 55 169

A) 110.5

B) 112

C) 98

D) 117

53) The local Tupperware dealers earned these commissions last month:

$2816.63 $4079.54 $1942.90 $2862.86

$1858.27 $4284.05 $3507.03

$2379.25 $1406.29 $3786.90

What was the mean commission earned? Round your answer to the nearest cent.

A) $2892.37

B) $3213.75

C) $3615.47

D) $2886.37

54) Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week. Round your answer to two decimal places.

6.70 7.40 6.80 8.50 8.90 6.70

8.70 6.80 7.40 6.70 8.50 7.30

6.90 7.40 7.40 8.40 8.90 8.70

A) 7.67

B) 7.27

C) 8.12

D) 7.89

55) The speeds (in mi/h) of the cars passing a certain checkpoint are measured by radar. The results are shown below. Find the mode(s) of these speeds.

40.4 44.4 43.1 43.5 40.9

40.9 44.4 42.7 43.3 43.5

40.4 42.7 43.5 42.0 44.4

42.3 42.3 43.1 40.0 40.4

A) 40.4, 43.5, 44.4

B) 40.4

C) 44.4

D) 42.77

56) In ten trips to Las Vegas, a person had the following net gains:

$1971 $3724 $4615 $6732 $2407

$2366 $6557 $8354 $6476 $4822

Find the median net gain.

A) $4615

B) $4802.90

C) $4719.00

D) $5337.06

57) The weights (in ounces) of 21 cookies are shown. Find the median weight.

0.78 1.34 0.65 1.62 0.68 0.87 1.48

1.34 1.53 0.98 0.78 1.16 1.30 0.61

0.47 1.16 0.87 1.30 1.72 0.68 0.56

A) 0.61 ounces

B) 1.34 ounces

C) 0.98 ounces

D) 0.80 ounces

58) A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. Find the mean score.

A) 7.5

B) 7.6

C) 7.8

D) 7.3

59) At a supermarket during the 6 p.m. rush, the manager counted the number of customers waiting in each of the 12 checkout lines. The results are shown in the table. Find the mean number of customers waiting in line.

A) 4.5

B) 5.2

C) 4.3

D) 5.8

60) The speeds (in mi/h) of the cars passing a certain checkpoint are measured by radar. The results are shown below. Find the mode of the given data.

42.7 44.0 44.0 41.9 43.5

43.5 44.0 42.3 44.4 41.9

42.7 42.3 41.9 41.9 44.0

43.3 43.3 44.0 44.6 42.7

A) 42.7, 41.9, 44.0

B) 44.0

C) 42.7

D) 42.87

Find the standard deviation. Round to one more place than the data.

61) 6, 8, 5, 13, 13, 12, 16, 19, 17

A) 4.6

B) 4.9

C) 1.5

D) 5.2

62) 32, 81, 90, 39, 33, 27, 77, 50, 37

A) 24.2

B) 25.9

C) 6.5

D) 22.8

63) 283, 101, 266, 156, 145, 120, 266, 181, 290

A) 25.1

B) 75.2

C) 70.9

D) 80.4

64) 15, 10, 18, 12, 11, 16, 5, 9, 5, 15

A) 1.3

B) 4.5

C) 4.0

D) 4.1

65) 3, 1, 18, 6, 6, 15, 6, 13, 12

A) 6.2

B) 5.5

C) 1.1

D) 5.8

66) 19.7, 14.0, 28.9, 39.0, 23.5, 11.0

A) 3087.2

B) 34.0

C) 3613.6

D) 10.26

67) 2, 6, 15, 9, 11, 22, 1, 4, 8, 19

A) 6.8

B) 7.1

C) 6.3

D) 2.1

68) 15, 42, 53, 7, 9, 12, 14, 28, 47

A) 29.1

B) 15.8

C) 16.6

D) 17.8

69) 22, 29, 21, 24, 27, 28, 25, 36

A) 4.2

B) 1.6

C) 2.8

D) 4.8

70) 196, 205, 215, 185, 229, 278, 165

A) 12.7

B) 30.2

C) 33.1

D) 36.2

Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.

71) The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).

0.17 0.412 0.366 0.174 0.345 0.34 0.3

A) 0.6875

B) 0.174

C) 0.0943

D) 0.6342

72) Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores:

43 18 36 24 14 49 66

Compute the standard deviation(s).

A) 10,998

B) 36

C) 18.6

D) 8928.6

73) The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below:

17.3 11.6 44.0 40.3 18.7 24.8

Compute the standard deviation(s).

A) 42.2

B) 13.16

C) 4092.5

D) 4958.7

74) To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:

$269 $171 $397 $290 $176 $436 $123 $178

Compute the standard deviation(s).

A) $611,196.00

B) $114.02

C) $520,200.00

D) $177.00

75) The normal monthly precipitation (in inches) for August is listed for 12 different U.S. cities.

3.5 1.6 2.4 3.7 4.1 3.9

1.0 3.6 4.2 3.4 3.7 2.2

Solution
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