Example: Table is a frequency distribution of heights of 100 male students at kufa University. Height (in) Number of Students 60-62 63-65 18 66-68 42 69-71 27 72-74 8 Total 100 - find (a) Class width, (b) the class boundaries, and (c) the Class Marks The histogram and frequency polgon

b) Make a frequency polygon of the test scores.Apparent Limits        frequency93-95                               190-92                               287-89                               684-86                               881-83                               978-80                               775-77                              672-74                             369-71                             466-68                              263-65                              060-62                              2

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The following table gives the frequency distribution of the commute distances (in miles) for the population of 50 instructors at a local community college.    Commute Distance (miles)     Frequency    11 - 15     9    16 - 20    14    21 - 25    12    26 - 30     8    31 - 35    5    36 - 40    2   What is the Class Width for this frequency distribution? Class Width = [cw] miles            = ______________

please help. thank you

number 22 please :)

What are the relative frequencies

1.0 0,9 0.8 8,7 8,6 Cunulative Relative Frequency- 0,5 8.4 8,3 0.2 0,1 10 15 20 Values Based on the graph above, what is the relative frequency of the 15-to-20 class?

The data in the table represent the tuition for all 2-year community colleges in a region in 2014-2015. (a) Complete the cumulative frequency distribution. (a) Construct a cumulative frequency distribution. (b) Construct a cumulative relative frequency distribution. (c) Draw a frequency polygon. (d) Draw a relative frequency ogive. Tuition Cumulative (dollars) Frequency 775-799 800-824 Tuition Number of (dollars) Community Colleges 825-849 775-799 20 850-874 800-824 65 875-899 825-849 14 850-874 900-924 875-899 925-949 900-924 950-974 925-949 950-974 1 (b) Complete the cumulative relative frequency distribution. Tuition Cumulative Relative (dollars) Frequency 775-799 800-824 825-849 850-874 875-899 900-924 925-949 950-974 (Round to three decimal places as needed.)

Suppose a survey of adults and teens (ages 12-17) in a certain country was conducted to determine the number of texts sent in a single day. (a) Construct a relative frequency distribution for adults. (b) Construct a relative frequency distribution for teens. (c) Construct a side-by-side relative frequency bar graph. (d) Compare the texting habits of adults and teens. Number of Texts Adults Teens None 164 8. 1-10 977 137 11-20 253 62 21-50 258 118 51-100 125 107 100 + 156 181 ... (c) Choose the correct graph below. Adults Teens 0.6 Adults Teens 0.67 0.4- O A. 0.2- 0.4 B. 0.2- None 1-10 11-20 21-50 51-100 100+ None 1-10 11-20 21-50 51-100 100+ Adults Teens 0.6J Adults| Teens 0.6J 0.4- 0.2- 0.4- O D. 0.2- 0- None 1-10 11-20 21-50 51-100 100+ None 1-10 11-20 21-50 51-100 100+ (d) Choose the correct answer below. A. Teens are more likely to send few or many texts per day, while adults are more likely to send a moderate number of texts per day. B. Adults are more likely to send few or many…