What is the frequency of the modal class? (Hint: Modal class is the class/row with the highest frequency?) Here is a data set summarized as a stem-and-leaf plot: 2# | 011133558 3# | 001122246778889 4# | 05789 5# | 579

give set of data (n=20)   39, 45, 28, 31, 55, 61, 43, 64, 29, 34, 56, 48, 29, 33, 34, 45, 54, 61, 62, 30   form n=8 classes and group into classes find the frequency for each class

Please find the modal class using the information given in the photo attached.

This table shows the distribution of winning times in the Kentucky Derby (a horse race) over 71 years. Kentucky Derby Winning Times, 1930-2016 (seconds) From To f 119 120 1 120 121 121 122 20 122 123 15 124 12 123 124 ok 125 125 126 126 127 4 127 128 2 Total 71 Click here for the Excel Data File (0) Fill in the highlighted cells in the table below. (Round your answers to 2 declmal places.) Frequency (f) Midpoint (m) 119.50 fxm 119.50 f(m- )2 12.25 From To 119 120 120.50 602.50 120 121 121.50 2,430.00 122 20 121 122.50 1,837.50 123 15 122 1,482.00 124 12 123 124.50 622.50 124 125 125.50 878.50 126 7. 125 126.50 126 127 127.50 255.00 127 128 Total 71 CV = 123 Standard Deviation = Average = (b) State whether the folowing statement is true or false? when the winning times were much onger than the average.

The following data show the of number of shoes (in 1000 units) sold by a new shoe      manufacturing  company in the 8 consecutive months of 2020:                           Month             # Sold             Month             # Sold                 ---------------------------------------------------------------------                         January              8.42       |       May                     11.14                         February            9.67       |       June                     10.61                         March                10.42     |       July                    12.50                         April                  10.90     |       August                12.82     Hand Estimate a linear trend model for the monthly sales of the company. Predict the number of shoes sold in September and October.