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SHS Statistics Wizard 2021 Round 2 Flashcards | StudBud
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SHS Statistics Wizard 2021 Round 2
SHS Statistics Wizard 2021 Round 2
8 terms
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StudBud Administration
Round 2
Flashcards
8 cards
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Practice quiz
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Questions
8
Answers
1
If 3% of gearwheels are defective, find the probability that in a sample of 80, more than 2 will be defective.
0.71
0.67
0.43
0.25
2
Words or codes that represent class or category.
qualitative variables
discrete variables
continuous variables
quantitative variables
3
One of the most common statistics worldwide is a periodic count of the population. This is known as
birth rate
population density
Census
carrying capacity
4
Regression: IQ = 95+6(Yrs in College).If you attended 4 yrs of college & have an IQ of 117,what is the residual value?
1
2
-2
0
5
The product of 180 and a positive integer N is a perfect cube. What is the least possible value of N?
100
150
250
120
6
In how many ways can Michelle invite 6 of her 10 friends to a party when 2 of them refuse to attend the party together?
140
130
160
150
7
A numerical measurement describing some characteristics of a population.
mean
parameter
sample
statistic
8
What describes a difference between 2 observations that is large enough to be considered a 'real' difference?
not significant
p-value
degree of confidence
significant
