Hi I need help on what are the right answers to this multiple choices activity. Explanation is optional. References are are given below. I hope that you can help me

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TNT LTE 11:08 PM 20% O b. Class Marks 12.459 17.459 O 22.495 27.459 32.495 C. Class Marks 12.495 17.495 O 22.495 27.495 32.495 d. Class Marks 12.495 16.495 O 22.495 28.495 Q 32.495 Clear my choice Q =TNT LTE 11:09 PM Question 8 Not yet answered Marked out of 4.00 Given the frequency distribution of the ages of actresses that have been awarded an Oscar, find the midpoints. Ages of actresses that have been awarded an Oscar Relative Cumulative Class Frequency.f Midpoint frequency frequency 21-30 28 31-40 30 11-50 12 51-60 2 61-70 IN 71-80 If = 76 a. 25.5, 35.5, 45.5, 55.5, 65.5, 75.5 O b. O 274 n QII TNT LTE 11:09 PM ( Back Exercise 2 0 Time left 01... ( ) Question 6 Marked out of 1.00 A tabular arrangement for classifying data into different groups is called? a. O Arithmetic mean b. (a Standard deviation V C. 0 Frequency distribution d (xi Array \"V\" Question 2 Not yet answered Marked out of 3.00 Data on weight (in kilos) are grouped into a classification having as class limits: 10.00-14.99, 15.00-19.99, 20.00-24.99, 25.00-29.99, 30.00- 34.99. What are the class marks? a. Class Marks 12.459 16.459 O 22.495 28.459 Q 32.495 b. Class Marks 12.459 17.459 O 22.495 27.459 Q 32.495 Q =II TNT LTE 11109 PM n Q =TNT LTE 11:09 PM b. Class Boundaries 9.995 - 15.995 15.995 - 19.995 O 19.995 - 25.995 25.995 - 30.995 30.995 - 34.995 C. Class Boundaries 9.5 - 15.49 14.5 - 20.49 O 19.5 - 24.49 24.5 - 30.49 Q 29.5 - 35.49 d Class Boundaries 9.995 - 14.995 14.995 - 19.995 O 19.995 - 24.995 24.995 - 29.995 Q 29.995 - 34.995 Clear my choice Q =80 TNT LTE 11:11 PM Not yet answered Question 11 Marked out of 4.00 Given the frequency distribution of the ages of actresses that have been awarded an Oscar, find the relative frequencies. Ages of actresses that have been awarded an Oscar Relative Cumulative Class Frequency, f Midpoint frequency frequency 21-30 28 25.5 31-40 30 35.5 41-50 12 45.5 51-60 2 55.5 61-70 2 65.5 71-80 N 75.5 Ef = 76 100% a. O 33%, 37%, 20%, 7%, 7%, 7% b. n Q =TNT LTE 11:10 PM 19% 0 300 Number of emplo 200 100 0 0-10 11-21 22-32 33-43 44-54 55-85 86-76 77-87 88 Salary ($ thousands) a. 0 - 10 O b. O 66 - 76 C. 33 - 43 O d. O 77 - 87 Clear my choice in Q =III TNT LTE 11:09 PM