Please note: This is meant to be used as a tool while studying, and not the exclusive study guide. Material that is not explicit) Y present in this file could still be present on the final examination. Please consult the PDF pasted to D2L for all material required to comprehend for the final exam. Detailed solutions will be posted to D2L.
1) Classify the following as either a statistic or a parameter: a. In a survey of 500 high school students, 60% of them said that they intend to go to college. b. 80% of students at the local college are full-time students.
2) Find the mean, median, mode, sample standard deviation 34.54 34.62 34.35 33.67 33.72 and sample variance of the table on the right. 33.27 33.49 34.59 34.98 35.00
34.40 34.72 35.00 34.84 35.47 35.67 34.96 34.78 34.99 35.59 33.16 32.72
3) Frank wants to have a bowling average of 215. The first 7 games he scored 159, 182, 225, 240, 198, 200, 230. What must he score in the 8th game to have an average of 215?
4) Describe the shape of the following histograms:
b.
1 .01.1„ .0 .0 1000 0 4 A 12 1620 24 28.36 40
030 015 0.15 om
015 y ow 10.15
5) In a sample of 100 adult men on a weight loss regimen, the sample mean weight loss is x = 26 pounds with a sample median of M = 12 pounds. Briefly describe the shape of the distribution of the histogram of the sample of men.
6) The relative frequency histogram below presents the average temperatures for each of the 50 states of the United States, plus the District of Columbia. Use the histogram to answer the following questions:
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