Inferential statistics
Authored by Betsabé Segura
Mathematics
12th Grade
CCSS covered
Used 279+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Between a Population and Sample: which size is bigger ?
Population
Sample
Both can be the same
Not enough information
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you are given the population standard deviation, what should be the minimum size of the sample?
30
30 or more
it doesn't matter
not enough information
3.
MULTIPLE SELECT QUESTION
3 mins • 5 pts
Depending on the information given, select the cases where you won't be able to calculate the interval of the population mean
Tags
CCSS.HSS.IC.B.4
CCSS.HSS.ID.A.4
CCSS.HSS.IC.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the lowest recommended confidence interval one should use to predict the population mean?
90%
95%
50%
any percentage is fine
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
If looking for 0.0077 in the table, which value of z should you use?
-2.43
-2.42
-2.425
not enough information
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.1
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
If looking for 0.0324 in the table, which value of z should you use?
-1.84
-1.85
-1.845
not enough information
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
What´s the margin of error?
not enough information
Tags
CCSS.HSS.IC.B.4
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