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Can you please help me with this HW question?
Use the charting tool in Excel to develop a regression model to fit the trend effects using the data below for this scenario.
The "Economic Report to the President of the United States" included data on the amounts of manufacturers' new and unfilled orders in millions of dollars. Shown here are the figures for new orders over a 21-year period:
Year
Total Number of New Orders
1 55,022
2 55,921
3 64,182
4 76,003
5 87,327
6 85,139
7 99,513
8 115,109
9 116,251
10 121,547
11 123,321
12 141,200
13 162,140
14 168,420
15 171,250
16 176,355
17 195,204
18 209,389
19 237,025
20 272,544
21 293,475
What is required is first a linear model (chart) and then a polynomial (order 2) model (chart) using the above data, and each chart must show the line formula and the r-squared value.
The charts then should be used to answer the following questions:
How well does either model fit the data?
Which model should be used for forecasting?
And provide explanations using the relevant metrics.
Find the probability that the truck driver goes more than 575 miles in a day. (Round your answer to three decimal places.)
Investigate the hypothesis that the breakage rate for the new process is the same as the rate for the old process by carrying out a X2 test of goodness-of-fit.
compute the hazard rate function of x when x is uniformly distributed over 0
For this assignment there are four given examples. From these examples identify which bias is occurring and support your reasoning.
This is called a one-time fling. About 10% of all adults deliberately do a opne-time fling and feel no guilt about it!
Suppose an internet marketing company wants to determine the current percentage of customers who click on ads on their smartphones.
1. Why is it so hard to distinguish among the effects of culture, race, and ethnicity in our research?
Conduct the test in (a) using an appropriate confidence interval.
Suppose there are three doors, labeled A, B, and C. A new car is behind one of the three doors, but you don't know which. You select one of the doors
What analyses you performed - your description of the results should be sufficiently clear that the reader could reproduce your results
peak expiratory flow pef is a measure of a patientotildes ability to expel air from the lungs. patients with asthma or
Give a 99% confidence interval for the mean amount charges would have increased if this benefit had been extended to all such customers.
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