7. The following data for the project success is given Project Manager's Competence (X1) 28 33 21 24 38 46 Project Success (X2) 74 87 69 69 81 97 Prior Experience (X3) 5 11 497 10 Find whether the presence of prior experience will effect the relation between Project Manager's competence and Project Success.

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.