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2 answers:
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Answer: B. 140 cubic inches.
Step-by-step explanation:
The question is asking you to find the volume of the rectangular prism.
You can find this by using this formula:
Where w is the width, h is the height, and l is the length.
Substitute the sides of the rectangular prism into the equation:
The volume of the prism is 140 cubic inches.
The correct answer is B.
1. Range = 4
2. Total Students = 30
3. Mean = 7.8
Step-by-step explanation:
<u>1. Range</u>
Let us define range first
Range is the difference between the largest and smallest value in a data set
so,
in the given data,
The greatest marks are 10 and smallest are 6.
Range = Largest Value - Smallest Value
= 10-6
=4
<u>2. Total students</u>
To find the total students we will add all the frequencies
So,
Total students are 30
<u>3. Mean:</u>
The mean is given by:
In case of frequency table in the given form, the frequency is multiplies with the data value
Hence,
1. Range = 4
2. Total Students = 30
3. Mean = 7.8
Keywords: Mean, Range
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