
Calculating One-Sample T Intervals for Means

Interactive Video
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Mathematics
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9th - 12th Grade
•
Easy
+2
Standards-aligned

Aiden Montgomery
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Standards-aligned
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the average caloric content of the burrito sample?
700 calories
750 calories
650 calories
600 calories
Tags
CCSS.6.SP.B.5C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many burritos were sampled in this study?
10
12
14
16
Tags
CCSS.6.SP.B.5A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the standard deviation of the burrito sample?
70 calories
50 calories
60 calories
40 calories
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was a t-statistic used in the calculation of the confidence interval?
Population mean was known
Sample size was large
Sample was not random
Population standard deviation was unknown
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the degrees of freedom used in this study?
12
15
13
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What critical value is used for the 95% confidence interval from the t-table?
1.96
1.645
2.16
2.58
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated margin of error for the confidence interval?
30
35
28.9
25
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