The following data represent the number of sweatshirts sold for each of the past six days...

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The following data represent the number of sweatshirts sold for each of the past six days for a department store. Day 2 4 Sales 12 8 4 14 Using an exponential smoothing technique with alpha equal to 0.4, what is the forecasting error for pay 4 OA. -4.6 O B. 6.0 C. OD. 8.8

The following data represent the number of complaints per month that customer service received at a large retailer over the last 15 months. Month Complaints 10 Month Complaints 10 Which one of the following statements is true for the hypothesis test4 for positive autocorrelation using a 0.05? 12 10 12 13 14 15 A. Because the Durbin-Watson statistic is greater than the lower critical value, we reject the null hypothesis and conclude that positive autocorrelation is presert O B. Because the Durbin Watson statistic is less than the lower cartical value, wo fai to reject the null hypothosis and conclude that positive autocorrelation is O C. Because the Durbin-Watson statistic is greater than the upper crtical value, we tail to reject the nill hypothesis and conclude that no positive autocorrelation Btrbin Watson slabasic ir nl hyothesis and ct posve autoorelation i not in the time series present in the time series. is present in the time series present in the time series

The following table displays the amount of data that Steve has used each month, in GB, with his smart phone during the past six months. 6 5 3 9710 11 3 Month Data What is the predicted data usage for Month 7 using trend projection? O A. 10.0 GB O B. 104 GB O C. 12.4 GB D. 11.1 GB

math Statistics-And-Probability

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The following data represent the number of sweatshirts sold for each of the past six days...

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