For a means questions, If n<30 how do you check normal?

no strong skew, no outliers, make a box and whisker

A confidence interval is the ____________ plus or minus the __________ .

Point Estimate, Margin of Error

Check to see if the conditions are met in order to create a confidence interval.

Yes, because np̂ ≥ 10 and nq̂ ≥ 10

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AP Stats Chapter 8 Confidence Interval Review Part 2

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Probability and Statistics Honors, Chapter 6 review, confidence intervals. #statistics #confidenceintervals

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Questions 16

Answers

1
As the sample size increases, the confidence interval gets __________.
narrower
wider
stays the same
2
Find a 95% confidence interval for the mean.
314.46
(6510, 7138)
(6572, 7076)
(7138, 6510)
3
For a means questions, If n<30 how do you check normal?
no strong skew
no outliers
np ⪰ 10
make a box and whisker
4
How do you check Normal here
Make a sandwich
Make a cobb salad
Make a dot plot
Make a Pie Chart
5
A confidence interval is the ____________ plus or minus the __________ .
Margin of Error, Point Estimate
Point Estimate, Margin of Error
Proportion, Point Estimate
Mean, Critical Value
6
Is this a means or a proportions problem?
Proportions
Means
7
As the confidence level increases, the confidence interval gets __________.
wider
stays the same
narrower
8
What is this product
Eggo Waffles
Eggo Falafel
Eggo Pancakes
Lego Bricks
9
Determine which distribution to use, if any.
Normal/Z Distribution
t-distribution
Neither
10
Solve this puzzle
Snorkel
Flannel
Barrel
Sheepel
11
Which Distribution would you use?
Normal/Z Distribution
t-distribution
12
Construct a 90% confidence interval for the true proportion.
(0.590, 0.650)
(0.595, 0.645)
(0.619, 0.621)
0.025
13
How do you check Independent here
10(10.2)
5(10)
10(10)
10(250)
14
Solve this puzzle
S plus Apple
Snapple
Spear
Score
15
Determine whether this is a means or a proportions problem.
Proportions
Means
16
Check to see if the conditions are met in order to create a confidence interval.
No, the conditions are not met because nq̂ < 5.
No, the conditions are not met because np̂ < 100.
Yes, because np̂ ≥ 10 and nq̂ ≥ 10
Yes, because np̂ ≥ 5 and nq̂ ≥ 5

AP Stats Chapter 8 Confidence Interval Review Part 2 Flashcards | StudBud