14.1.7-T Question Help * The business problem facing the director of broadcastin

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14.1.7-T Question Help * The business problem facing the director of broadcasting operations for a television station was the issue of standby hours (i.e. hours in which unionized graphic artists at the station are paid but are not actually involved in any activity) and what factors were related to standby hours. A study of standby hours was conducted for 26 weeks. The variables in the study are described below and the data from the study are shown in the accompanying table. Complete parts a through g below. Standby hours (Y-Total number of standby hours in a week Total staff present (X)-Weekly total of people-days Remote hours (Number of hours worked by employees off-site click the icon to view the data table. a. State the multiple regression equation. Yi =+ X1i + Ox2i (Round to one decimal place as needed.) Enter your answer in the edit fields and then click Check Answer parts remaining Clear All Check Answer

Explanation / Answer

From above regression output

multiple regression equation is y = -330.7+ 1.8 X1 - 0.1 X2

SUMMARY OUTPUT Regression Statistics Multiple R 0.699956084 R Square 0.48993852 Adjusted R Square 0.445585348 Standard Error 35.38633076 Observations 26 ANOVA df SS MS F Significance F Regression 2 27664.19008 13832.1 11.0463017 0.000434169 Residual 23 28800.4253 1252.192 Total 25 56464.61538 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept -330.6785431 116.476608 -2.83901 0.00929623 -571.6287633 -89.72832296 X Variable 1 1.765039936 0.379046839 4.656522 0.00010957 0.980921813 2.549158059 X Variable 2 -0.139136816 0.058861064 -2.36382 0.02691159 -0.260900203 -0.017373429

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