A learning-center coordinator studies whether weekly tutorin…

A learning-center coordinator studies whether weekly tutoring hours x predict module assessment score y. The data were entered in the order students completed the course, not in sorted x-value order. Use the following data to compute the simple linear regression equation and then predict y when x = 5.3. x              y4.8          38.41.2          17.67.2          49.63.6          29.86.0          42.02.4          21.2 Enter the slope [slope]____, intercept [intercept]____, and predicted ŷ for x = 5.3 [y-hat]____.(round each answer to 2 decimals)

An agronomist studies yield using 4 seed varieties, Factor A…

An agronomist studies yield using 4 seed varieties, Factor A, and 3 irrigation levels, Factor B. There are 3 replicated plots in each variety/irrigation combination. Excel gives: Interaction p-value = 0.0524Factor A p-value = 0.0007Factor B p-value = 0.0041 Using the instructions above, and assuming as alpha = 0.05, enter yes or no to the following questions: Is the interaction significant? [intsig]_____ Are all Factor A’s different from each other? [F1sig]_____ Is as least one Factor B different from at least one other Factor B? [F2sig]____

An insurance auditor claims that the variance in monthly cla…

An insurance auditor claims that the variance in monthly claim amounts is not equal to 400. Complete the written hypothesis shown below. Use only these possible signs: =, =,  [H0H1]____ (enter H0 or H1): mu [sign]______ (enter the correct sign) [value]_____ (enter the value)