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You are trying to interpret a t-test for your multiple regression analysis. You had 10 total observations with 3 independent variables. The regression on the independent variables returned coefficients and t-stats as follows... Price coefficient: -10 and t stat is -2. Location coefficient: 0.5 and t stat is 1.995. Advertising coefficient is 200 and t stat is 1.75. Which of the following statements is an accurate interpretation of the situation when using an alpha of .10?
A) Only the price and location variables are significant.
B) Our output goes down 10 for every 1 dollar increase in price.
C) The critical value you should use is 1.943 and -1.943
D) All of the above
E) None of the above.
A question has these possible choices - excellent, very good, good, fair, and unsatisfactory. How many degrees of freedom are there using the goodness-of-fit test to the sample results?
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Compute mean x and standard deviation s of data above. Calculate Ho by using traditional/classical method.
If a six appears for the second time, the process is repeated with the move depending on the number shown and the previous throws. If a six appears for the third time, the turn of the player ends without moving the token.
Develop a 90% confidence interval for the true mean weight. What sample size would be necessary to estimate the true weight with an error of +/- 0.03 grams with 90% confidence?
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