46. How do the mean, median and mode compare to each other when the distribution is:
a.
symmetric?
b.
negatively skewed?
c.
positively skewed?
47. A basketball player has the following points for seven games: 20, 25, 32, 18, 19, 22, and 30. Compute the following measures of central location:
a.
mean
b.
median
c.
mode
NARRBEGIN: Children
Computers
The following data represent the number of computers owned by a sample of 10 families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2.
NARREND
48. {Computers Narrative} Compute the mean number of computers.
49. {Computers Narrative} Compute the median number of computers.
50. {Computers Narrative} Is the distribution of the number of computers symmetric or skewed? Why?
NARRBEGIN: Weights of Workers
Weights of Workers
The following data represent the number of employees of a sample of 25 companies: 164, 148, 137, 157, 173, 156, 177, 172, 169, 165, 145, 168, 163, 162, 174, 152, 156, 168, 154, 151, 174, 146, 134, 140, and 171.
NARREND
51. {Weights of Workers Narrative} Construct a stem and leaf display for the number of workers.
52. {Weights of Workers Narrative} Find the median number of workers.
53. {Weights of Workers Narrative} Find the mean number of workers.
54. {Weights of Workers Narrative} Is the distribution of the number of workers symmetric or skewed? Why?
55. The number of hours a college student spent studying during the final exam week was recorded as follows: 7,6, 4, 9, 8, 5, and 10. Compute.png”> for the data and the value in an appropriate unit.