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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 3GP

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### Frequency Distribution Analysis

Use the given frequency distribution to find the:

- (a) Class width.
- (b) Class midpoints.
- (c) Class boundaries.

#### Data Table

| Temperature (°F) | Frequency |
|------------------|-----------|
| 32-35 | 1 |
| 36-39 | 3 |
| 40-43 | 5 |
| 44-47 | 11 |
| 48-51 | 7 |
| 52-55 | 7 |
| 56-59 | 1 |

#### Questions

1. **(a) What is the class width?**

(Type an integer or a decimal.)

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435 507 448 435 463 440 448 413 432 458 473 465 428 472 439 a. Summarize the data on femur lengths in a frequency table. Use class intervals that start at 400 and have width 20. b. Add a column to your table from part (a) for the relative frequencies. c. Draw a histogram that represents your frequency table. (Use either frequency or relative frequency for the vertical axis.)
Example 16. The class marks of a frequency distribution are 6, 10, 14, 18, 22, 26, 30. Find the class size and the class intervals.
Find the class width from the frequency distribution. Temperature Frequency 45-49 1 50-54 3 55-59 5 60-64 11 65-69 7 70-74 7 75-79 1
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H.W(2) For the data below: 11,16,13,17,19,20,22,22,23,25,26,26,27,28,30,31,32,36,37,42 Start from class limit (10-14). . Create a frequency table. Plot histogram and polygon Plot Ascending and descending cumulative frequency.
Use the given frequency distribution to find the (a) class width. (b) class midpoints. (c) class boundaries. Temperature (°F) Frequency 50-52 1 53-55 3 56-58 5 59-61 11 62-64 7 65-67 7 68-70 1 (a) What is the class width?
Use the given frequency distribution to find the (a) class width. (b) class midpoints. (c) class boundaries. Temperature (°F) Frequency 45-47 48-50 51-53 54-56 57-59 60-62 63-65 (a) What is the class width? (Type an integer or a decimal.) (b) What are the class midpoints? Complete the table below. (Type integers or decimals.) Temperature (°F) Frequency Midpoint 45-47 48-50 3 51-53 54-56 11 57-59 7 60-62 7 63-65 (c) What are the class boundaries? Complete the table below. (Type integers or decimals.) Temperature (°F) Frequency Class boundaries 45-47 1 48-50 3 51-53 54-56 11 57-59 7 60-62 7 63-65 1 Enter your answer in each of the answer boxes. DOLL DVD disc RW DVOA 35E771 OptiPle DELL
Creat a grouped frequency Distribution for one continuous variable in this data set . Then creat a histogram and frequency polygon for that variable.
Theory of attributes: classes and class frequencies. Full details in english.
The visualization given shows how much time, in hours, the 40 children in Ms. Baker's third grade class read on the weekends. Construct a relative frequency chart for this visualization. Round answers to 3 places. Number of hours Frequency (h) 0gh<1 6. 1sh<2 10 2gh<3 12 3sh<4 4 sh<5 Number of hours Relative (h) 0 sh< 1 Frequency 0.230 1 sh< 2 0.250 2 sh< 3 0.300 3 sh< 4 0.170 4sh<5 0.050 Number of hours Relative (h) Frequency O sh< 1 0.225 1 sh< 2 0.250 2 sh< 3 0.300 3 sh< 4 0.175 4 sh< 5 0.050 Number of hours Relative (h) 0 sh< 1 Frequency 0.230 1sh<2 0.250 2 sh<3 3 sh< 4 4 sh< 5 0.300 0.180 0.050 Number of hours Relative (h) 0sh<1 Frequency 0.220 1sh<2 0.250 2 sh<3 0.300 3 sh< 4 4 sh< 5 0.170 0.050
Alice made a survey on the number of active Android applications her classmates have. The table summarizes the results. The Class Intervals contain the numbers of active Android Applications. The frequency is the number of students. Complete the table before answering the questions. Class Frequency Lower Class Boundary (LCB) Less than Cumulative Frequency (< cf) 50 Interval (1) 26-30 3 21-25 13 16-20 10 11-15 15 6-10 8 1-5 1 4129 47 34 1

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