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Statistic Quiz. By Wilfredo P. And Jordan R. Flashcards | StudBud
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Statistic Quiz. By Wilfredo P. And Jordan R.
Statistic Quiz. By Wilfredo P. And Jordan R.
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Answers
1
What is frequency?
how much data in the same class
total number of data
how much data in different classes
Sum of all classes
2
The z score of 75% is 0.68
True
False
3
What is sample in statistics?
total number of data
selection of people
a group of data
selection of data
4
Discrete data can be counted or measured.
True
False
5
Probability in statistics is how likely something is to happen
True
False
6
What does Σ mean in statistics?
Sum
divide
multiply
subtract
7
3, 6, 9.2, and 276 are all examples of discrete data
False
True
8
What is the probability of 1/6?
12%
0.17
0.62
16%
9
Find X when mean= 64.2, Z Score = -0.17, and the SD= 2.9
263.213
57.897
62.451
63.707
10
A wheel is cut into 12 parts. 6 of them are green and the rest are blue. What is the probability of you spinning blue?
25%
100%
50%
75%
11
What is probability outcome?
result of all trails in an experiment
result of a single trail in an experiment
result of some trails in an experiment
result of no trails in an experiment
12
What is a class in statistics?
a classroom
A group of data that is different from others
a group of data that is the same like others
a way to organaize data
13
What is sampling?
a part of a sample
total number of data
count or measure of part of a population
measure of the whole population
14
2/3, 1.6, 9.2, and 276.5 are all examples of continuous data
True
False
15
What is the area of the z-score -2?
28.8%
0.229
0.0228
5%
16
The equation Σ f/n =1 is also equal to 100%
False
True
17
What is standard diviation?
how close the data is from Z score
how spread out data is on X- axis
how spead out a data is from Z score
how spread out data is on Y - axis
18
Continuous data includss whole numbers, decimals, and measurements.
False
True
19
What is Z Score?
how far a score is on Y- axis
how far a score is from the mean
how close a score is on X- axis
the median of the data
20
What is the area of the z-score 1.15?
0.8748
87.48%
87.47%
0.8749
