A sample of 272 log jarrs found in river channels in the Northwest U.S. is grouped into the resulting frequency distribution based on Width of Channel (m) Frequency of Log jams 04 103 59 82 10-14 49 15-19 16 20-24 16 25-29 ita cumulative frequency distribution were constructed for the width of the channels, what would be the curmulative frequency for the

rchie is fed up with waiting in line at his local post office, and plans to contact his congresswoman. Archie knows that his complaint will not be well received without data to back it up. So to improve his case, over the next few months Archie records the waiting time for a selection of  27  post office visits made by him and other customers. These waiting times (in minutes) are summarized in the following frequency distribution.   Waiting time(in minutes) Frequency 0  to  6 4 7  to  13 9 14  to  20 7 21  to  27 5 28  to  34 2 Based on the frequency distribution, using the midpoint of each data class, estimate the mean waiting time for the data Archie collected. For your intermediate computations, use four or more decimal places, and round your answer to one decimal place.

Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. The data are provided in the following table. R F eTextbook and Media Save for Late O % 5 T O >> G H (9) 2 Number Accepted Number Enrolled Find the correlation between the number of students accepted and enrolled. Use two decimal places in your answer. & 2,440 2,800 2,720 2,360 2,660 2,620 8 6 611 K 708 637 584 614 625 ( 9 L Attempts: 0 of 1 used ) 0 P Submit Answer 56°F Cl Backspa

Listed below are the measured radiation absorption rates ( in 5 - number summary . W/kg) corresponding to 11 cell phones . Use the given data to construct a boxplot and identify the 1.49,1.25, 1.38, 1.04, 1.46,  1.31, 1.28, 0.73, 1.41, 0.58, 1.36