LOCKD Requires Respondus LockDown Browser Time Left:3:26:58 Adithya Kartha: Attempt 1 Question 11 (5 points) The accounts receivable of a large department store are normally distributed with a mean of $250and a standard deviation of $80. If a random sample of 225 accounts is chosen, what is the probability that the mean of the sample is between$232 and $268? Question 12 (2 points) If R2 - 0.66, interpret the result. A Question 13 (10 points) p C 110 $ A & K 4 5 6 7 8 9 O e r t u On- Requires Respondus LockDown Browser 0 Time Left:3:26:42 Adithya Kartha: Attempt 1 Question 13 (10 points) Let us consider the following model. In(psoda) = -1.46 +0.0728prpbick +0. 1369In(income) + 0.3803prppov (0.293) (0.0306) (0.0267) (0. 1328) n= 401, R- = 0.087, F (3, 397)= 12.60, p - value of F - stat = 0.0000 1) If the coefficient of problck and In(income) are statistically significant at 5% significant level? The critical value of t-stat at 5% level is 1.96. Why or shy not? 2) Interpret the coefficient of problck and In(income). 3) How do you interpret the F-stat result? 4) Interpret the value of R2. A/ C @ # A & K 2 3 4 5 6 7 8 9 0 W e t y u p- Requires Respondus LockDown Browser Time Left:3:26:39 Adithya Kartha: Attempt 1 significant level? The critical value of t-stat at 5% level is 1.96. Why or shy not? 2) Interpret the coefficient of problck and In(income) 3) How do you interpret the F-stat result? 4) Interpret the value of R2. A/ A Question 14 (11 points) ABC Corporation's sales and three-period moving average sales forecasts are given in the following table. Use a blank sheet of paper and calculate the forecast error from period 4 to 16 and compute the accuracy measures. List the value of MSD in Blank #1 MAD in Blank #2 and MADE in Blank #2 C # $ A K W 4 5 6 8 9 O W e t y u O