Parameter Change to Mean and Standard Deviation

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
It characterize the spread or range of a normal distribution/data set?
Sample Mean
Population Mean
Standard Deviation
Sample Size
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Given the MU = 50 and SD = 12,
What is P ( X < 70 )?
95.15%
94.84%
95.35%
95.25%
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which refers to the mean of a population?
Standard Deviation
MU
Statistic
Parameter
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A population has mean μ = 25 and standard deviation σ = 3.4. Find the mean and standard deviation of sampling distribution when n = 16.
25, 0.85
25, 3.4
6.25, 0.85
6.25, 3.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 35 was removed from the data, what would be the result?
Mean and Standard Deviation would increase.
Mean and Standard Deviation would decrease.
Mean would decrease and Standard Deviation would increase.
Mean increase and Standard Deviation would decrease.
6.
DROPDOWN QUESTION
1 min • 1 pt
Approximately (a) of the data lies within 2 standard deviations of the mean.
95%
50%
99.7%
68%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Consider the dataset:
3 9 0 9 7 13
If the 13 was changed to a 6, the standard deviation would
stay the same
decrease
increase
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