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1) The test averages for 40 students are listed below. Use 8 classes (NOT BINS) to construct a frequency distribution table. The first column will be the classes, second will be the frequencies, third are the relative frequencies, forth the class midpoints, and last are the cumulative frequencies. From the table draw a histogram, a polygon, and an ogive (a cumulative frequency graph).
11
16
17
18
19
20
21
22
23
24
25
28
29
30
31
32
33
34
35
36
40
2) Find the mean, median, mode, variance and standard deviation for the following nine data values.
81
82
83
84
86
88
89
91
3) Find the four quartiles and the 20th and 80th percentiles for the above data.
A screening test for a newly discovered disease is being evaluated. In order to determine the effectiveness of the new test, it was administered to 900 workers; 150 of the individuals diagnosed with the disease tested positive.
a.compute descriptive statistics for each stock and the sampp 500. comment on your results. which stocks are most
1. the study you will evaluate for your assignment isbinge drinking and alcohol-related behaviours amongst pacific
Descriptive statistics (5-number summary, mean, mode, range and standard deviation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the motion picture industry.
Find the probability of drawing a diamond card in each of the consecutive draws from a wellshuffled pack of cards, if the card drawn is not replaced after the first draw.
the following data summarize the results from an independent-measures study comparing three treatment
Management wishes to schedule workers with specific projects that minimizes total cost and gets all projects done, what would that minimized cost be and Part 1b Which project should be assigned to which worker for minimizing the total cost?
Facebook CEO Mark Zuckerberg recently announced that it would be going public. The usual suspects, Morgan Stanley, JPMorgan Chase, and Goldman Sachs will be the lead underwriters. When Facebook was choosing underwriters, they were made varying..
Develop a regression model and complete appropriate analysis of the three largest U.S. Air carriers
1.multiple choice1 medical care and compensation costs for workers injured on the job vary and are strongly skewed. the
Calculate the sample size needed given these factors
1. listed below are the numbers of people executed in the united states from 1976 nbsp to 1994. in 1976 the u.s.
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