
Arithmetic Mean and Frequency Distributions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the lecture?
Understanding probability distributions
Calculating the median of a dataset
Finding missing frequencies in a dataset
Learning about standard deviation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many observations are given in the problem?
90
80
110
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the arithmetic mean of the given data?
26
25
27
24
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class interval has a frequency of 33?
20-30
10-20
40-50
0-10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is used for the missing frequency in the 10-20 interval?
f1
f2
f3
f4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the midpoint of a class interval calculated?
Upper limit minus lower limit divided by 2
Upper limit plus lower limit divided by 2
Upper limit plus lower limit
Upper limit minus lower limit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the midpoint of the 0-10 class interval?
20
10
5
15
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