Students from the University of Wyoming were asked how many hours they slept on Wednesday night, to the nearest half. The results are as follows: a) Find the sample mean.

b) Find the sample median. c) Find the sample mode. d) Construct a histogram. Use 4 bins. e) Comment on the shape of your histogram. Does it resemble a normal distribution, a skewed distribution, or bimodal distribution? If skewed, comment on the directionality.

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5

Fig: 6

Fig: 7