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Duplicate of Sampling Distributions Flashcards | StudBud

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Duplicate of Sampling Distributions

13 terms·StudBud Administration

TPS Chapter 7 Review

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Questions 13

Answers

1
When n is large, the sampling distribution of the sample mean, x bar, is approximately normal.
10% rule
Normal condition
Central limit theorem
Normal approximation condition
2
Parameter is ...
number that describes some characteristic of the sample.
number that describes some characteristic of the population
number that is a boundary for a curve.
person who is romantic with everyone.
3
Sampling distribution and a population should have the same ...
minion
minute
mean
mode
4
Statistic is ...
person who is a number in a survey.
number that describes some characteristic of the population
number that I don't like.
number that describes some characteristic of the sample
5
Sample distribution and sampling distribution mean the same thing.
True
False
6
Unbiased means a perfect survey.
False
True
7
Why do we use z-scores?
When we want to find the area of a figure.
Cause they are cute.
When we want to standardize statistics.
Cause we need zzzzs to function well.
8
What happens to a distribution graph when the sample gets larger and larger?
It looks more and more like a normal curve.
It looks more and more like a box.
It looks more and more like a weird curve.
It looks more and more like a curve.
9
The mean of the sampling distribution is = to the true value of the parameter for a statistic.
Mean estimator
Unbiased estimator
Nice estimator
Biased estimator
10
Which graph is most likely the graph of the means of the sampling distribution?
First graph
Thirda graph
What graph?
Second graph
11
Variability is directly related to ...
Shape
Center
Outliers
Spread
12
p hat means...
a probability with a hat
statistic proportion
parameter proportion
statistic mean
13
Which figure do you want in a distribution?
c
b
a
d