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Description
Week 2 Assignment: Frequency Tables and Histograms
| Week | Assignments | Due Date |
| Week 2 | Graded Discussion | Due Date—
Responses: Sunday of Week 2 [Have two posts on two different days] |
| Knewton Homework Assignments
Frequency Tables (Section 2.1) Frequency Tables & Histograms (Section 2.1) Stem & Leaf (Section 2.1) Line & Bar Graphs (Section 2.1) |
Sunday of Week 2 | |
| Knewton Quiz #1
· Covers Week 1 – 2 Material · 25 Questions · 2 Attempts |
Sunday of Week 2 |
Objectives
2.2 Frequency Tables and Histograms
- Create and interpret histograms
- Identify and label shapes of histograms
Activity 1
Question
Given the following frequency distribution table for a set of data about the time spent writing an email (in minutes) for all employees at a small company, construct a histogram that accurately summarizes the data.
| Writing an Email (in minutes) | Frequency |
| 6.5-8.5 | 1 |
| 8.5-10.5 | 3 |
| 10.5-12.5 | 4 |
| 12.5-14.5 | 6 |
| 14.5-16.5 | 5 |
| 16.5-18.5 | 7 |
Create the corresponding histogram to represent this data below. Drag the dots on the top of the histogram to create the chart.
Activity 2
Question
According to the histogram, which range of minutes contains the highest frequency for time spent writing an email?
Activity 3
Question
Describe the shape of the given histogram.
Activity 4
Question
A bookstore took an inventory of the prices of its books and created a histogram to show the results. What shape does the distribution have?
Activity 5
Question
Several people were asked to report the number of hours of sleep they average per night. The results are shown in the histogram below. How many of those people average greater than 4.5 and less than 6.5 hours of sleep per night?
Activity 6
Question
The speed (in mph) of randomly selected bicyclists were measured as they were approaching a hill. The results are presented in the following histogram.
How many of those bicyclists were traveling at least 8.5 and less than 11.5 mph as they were approaching the hill?
Activity 7
Question
The histogram below represents the prices of digital SLR camera models at a store. Describe the shape of the distribution.
Activity 8
Question
Describe the shape of the given histogram.
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