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InueFalseQuestion 152 ptsAn analyst gathered the following information about the net profit margins of industries: companies in threeNet Profit MarginIndustry AIndu...

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InueFalseQuestion 152 ptsAn analyst gathered the following information about the net profit margins of industries: companies in threeNet Profit MarginIndustry AIndustry BIndustry €Mean10.00%7.00%1596Standard deviation5091.40%2.50%6Range10.00269,00761596Of the three industries industry shows the smallest relative dispersion of net profit marginsTrueFalseEdacQuestion 16MccBook Air

Inue False Question 15 2 pts An analyst gathered the following information about the net profit margins of industries: companies in three Net Profit Margin Industry A Industry B Industry € Mean 10.00% 7.00% 1596 Standard deviation 509 1.40% 2.50%6 Range 10.0026 9,0076 1596 Of the three industries industry shows the smallest relative dispersion of net profit margins True False Edac Question 16 MccBook Air



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Use the following graph to answer the questions. In each case, briefly explain your answer.
a. True or false: The movement from point $A$ to point $B$ shows the effects of technological change.
b. True or false: The economy can move from point $B$ to point Conly if there are no diminishing returns to capital.
c. True or false: To move from point $A$ to point $C,$ the economy must increase the amount of capital per hour worked and experience technological change.

We want to determine whether or not the following statements are true or false. First he can be found. That is the margin of error can be found if you only know the confidence level of the interval. So in this particular case, let's remember an important definition, margin error. E is equal to the critical value scores E associated with a defiant confidence level, times the population standard deviation sigma divided by the root and where N is the number of samples. If you have the confidence level, you know exactly what Z alpha over two is. However, in this particular problem we know that he depends on all three of these variables Z alpha over to sigma and end since we don't know sigma and and that means we don't have enough information to determine E, which means this is false. Next confidence level can be found if you only know E. So you can figure out the confidence level Alpha by simply finding what Z is equal to E route and over sigma. Again, we don't have any sigma here. So this sentiment is again false. Now see it can be found if you know the confidence level sigma and and these are the exact two variables were missing from part A. So now this is true. Finally, the confidence level can be found if you only know E, sigma and N. Again E and N sigma, or rather an in sigma. We're the only thing is missing from part B. So this is true.

We are discussing linear models and scatter plots, so we want to look at something that we think describes a linear relationship. Here I am comparing Degrees Celsius, which is my ex value 2 F, which is my wide value. So looking this up on the Internet 37 degrees Celsius is 90 8.6 degrees Fahrenheit and so on, so create a scatter plot. So here's our scatter plot and find the least squares regression. So here is our least squares regression. Let me turn that on. So interpret the slope and why intercept in the concept of the data? Okay, so the Y intercept is 32. What that means is that when it is zero degrees Celsius, it is 32 F and we see that our slope is 1.8. So with every degree Celsius, it's multiplied times 1.8 and 32 is added to it. So it is our multiplier. All right, so we can continue to discuss this by plotting more points and looking at negative values and positive values. But we see that this data is in fact, linear

We were wondering if the median is equal to the second quartile. This is actually true because by definition, the median breaks up the second quarter mile, so the overall truth value of this statement is true.

We want to determine whether or not the following statements are true or false. A The length of a confidence interval can be found if you only know the margin of error. E to answer this question, let's remember an important definition for confidence intervals. That is, the confidence interval is defined as expire minus E is less than you as an expert Plus C. From analyzing this definition, we see that the length of a confidence interval is simply equal to two times the margin of error, which means that the length is simply half the margin of error, meaning that this statement is true. If you know eat, you can find the length of the confidence interval next to part B. You can be found if you only know the length of the confidence interval. This is again true. You simply have to length. See, the confidence interval itself can be found if you only know E. So that means you can define expo minus is less than you is less than X plus C. This is false because we don't know X bar, which is critical for that formula, what we mentioned. Finally, D The confidence interval itself can be found if you only know Ian X bar. This is true. Our formula for the conference interval about meal that we define the top left is just X bar plus or minus E.


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