True or False: Using R, once the datasets for placebo and andro have been entered and assigned the names placebo and andro, respectively, the R code given below could be used for conducting the hypothesis test using the directional alternative hypothesis with a 0.10 significance level. R Code: t.test(placebo, andro, alternative = O True O False = "less")

A person 6 feet tall is walking away from a lamp post that is 24 ft tall in the dark. Draw several diagrams to show different lengths of shadows as the person moves away from the lamp post b. Set up a mathematical relationship based on your diagram a.

Please help me with numbers 4 and 5

The basketball coach at a local college believes that his team scores more points at home games when more people show up. Below is a list of all home games last year with scores and corresponding attendance. Use Excel, SPSS, or work by hand to show your work finding r. Show your work on the attached pages. Score Attendance   Score Attendance 54 380   67 410 57 350   78 215 59 320   67 113 80 478   56 250 82 451   85 450 75 250   101 489 73 489   99 472 53 451       What is the obtained t-score for this correlation? What is the critical t-score for a two-tailed test with a = 0.05? Is this correlation significant based on the t-scores?