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STA147 Intro Flashcards | StudBud
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STA147 Intro
STA147 Intro
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Flashcards
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Questions
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Answers
1
Which of the following scenarios could this graph be depicting?
Amount of electricity used in an office per hour
Amount of customers at a restaurant per hour
Class attendance per week
Heights of all people
2
Which of the following scenarios could this graph be depicting?
Sales vs Advertising Dollars
Grade vs Amount of Time Studying
Amount of Writing vs Amount of Ink in Pen
GPA vs Height
3
A box has 6 socks. I randomly pick 2. The chance of picking a white pair is 2/3. Whats the probability of a black pair?
33%
50%
16%
0%
4
In a classroom of 25 people, what is the approximate probability that two people have the same birthday?
1/2
1/100
1/365
1/4
5
Which of the following statements is absolutely 100% true to a statistician?
There is a 95% chance that the cat is black
The cat is mostly black
There is a 95% chance the cat is a shade between dark grey and black
The cat is black
6
If a family has two children, and we know that one of them is a boy, what's the probability that both children are boys?
75%
50%
33%
25%
7
Which of the following is NOT a type of chart used in statistics?
Dumbbell
Box and Whisker
Bakset Weave
Stem and Leaf
8
True or False: Are sales rapidly rising?
True because the bars are increasing from year to year
False because the scale is misleading
False because the last bar is higher than the first bar
False because the last two bars are close to each other
