Concept explainers
a.
To make:a cumulative frequency table for the given data.
a.
Answer to Problem 3P
Explanation of Solution
Given:
The given data shows battery life, in hours, for different brands of batteries.
Calculation:
As the given data is
Now, the data is first arranged in increasing order. Then,
The minimum data value is 1, and the maximum value is 17.
Divide the data in to four intervals.
Therefore, create a frequency table:
Amount | Frequency |
7 | |
2 | |
1 | |
2 |
Draw and level the axes. Draw a bar to represent the frequency of each interval.
The histogram for the given data is:
b.
To find: the amount of money should jay plan to bring for lunch next week.
b.
Answer to Problem 3P
Explanation of Solution
Given:
The given data shows battery life, in hours, for different brands of batteries.
Calculation:
From, the above graph in part(a),
The trends in the given data is that on the first day of the week. Jay spend the most since 17 and 16 are both the highest amount in their respective weeks.
Thus, the possible amount that jay should bring is
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High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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