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1- Use a ruler to measure the thickness of a single page of the text. awhich unit of measurement did you use & why?
2- Grouping the pages (one page is one sheet), complete the following table:
# of pages- 25 50 75 150 200 225
thickness- 3 5 8 17 19 25
3- Compute the least-squares regression line for your data.
4- Use your model to estimate the thickness of a single page of the text by letting x = 1. Is the value you obtained reasonable?
5- Use your model to estimate the thickness of a single page of the text by interpreting the slope. Is the value you obtained reasonable?
6- What, if anything, could you do to improve the model?
You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.
Find (i) the percentage of batteries with a life time of at least 470 hours (ii) the proportion of batteries with life time between 385 and 415 hours. (iii) the minimum life of the best 5% of batteries.
Studies have shown that humans complete a 1 mile run in an average of 12.2 minutes. There is a separate group of 30 who complete a 1 mile run with an average of 8.67 minutes with a standard deviation of 0.33 minutes.
A particular company offers a 500$ deductible policy. If the company wishes its expected profit to be $100, what premium amount should it charge?
If one-third of the University of Wisconsin teaching assistants (TAs) sign a petition calling for a collective bargaining election, an election will be held. A survey of 50 TAs indicates that 40% will sign the petition. What is the probability ..
In the past, Judy Holmes's tire dealership sold an average of 1,000 radials each year. In the past two years, 200 and 250, respectively, were sold in fall, 350 and 300 in winter, 150 and 165 in spring, and 300 and 285 in summer.
Is there evidence the On-the-Move company has less claims? Using the 0.10 level of significance, What is the conclusion?
Total housing costs as a percent of monthly income, five years ago and now. The information is reported below. Is it reasonable to conclude the percent is less now than five years ago?
1. students take an average of 45 minutes and standard deviation of 8 minutes to complete a certain statistics test. if
Mathml equation = $32,000 and mathml equation = $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500.
Do hotel managers on the average differ significantly in femininity score from men in general? Assume that the standard deviation of scores in the population of all male hotel managers is the same.
An investment counselor would like to meet with 12 of his clients on Monday, but he has time for only 8 appointments. How many different combinations of the clients could be considered for inclusion into his limited schedule for that day?
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