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Q1) Data is distribution of the most popular colors for 2005 model luxury cars made in North America. Design the pie chart and bar graph for data. Be sure the names of categories and percentage are illustrated in your graph.
Highlight all your dataset (except titles), and go to "insert", and then select the one you required in "Charts". For Pie chart, you can add percentage under "Chart layouts" after you make pie chart.
Color
Percent
Silver
20
White
18
Black
16
Blue
13
Brown
10
Red
7
Yellow
6
other
Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?
What is the probability of a fatal accident over a lifetime?
Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?
If student is chosen at random, determine the probability that he or she is sophomore and owns a credit card.
Compute mean x and standard deviation s of data above. Calculate Ho by using traditional/classical method.
Compare value of test statistics F obtained in part(2) with value of t 2 , square of test statistic for testing H 0 : β 1 =0 that was needed in test null hypothesis that true slope is 0. Interpret the results of this test.
An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval
From her district, consisting of several hundred stores, she selects a random sample of 30 stores. For each store she gathered the following information.
Analysis of data sets assignment
Explain why random samples are preferred to nonrandom samples.
Suppose it costs $25 per student for the administrators to provide the course materials.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
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