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- 1. Multiple Choice
What animal is this?
Obviously a peacock!
A very sick owl
A very strange cow
Mr. E
- 2. Multiple Choice
A stock had a quarterly gain of 9%, 12%, 9%, and 14%. Which measure of center makes the stock look the most profitable?
mean
median
mode
range rover
- 3. Multiple Choice
Find the mean absolute deviation of the set of numbers: 8. 14, 11, 17, 16, 24.
2
4
15
16
- 4. Multiple Choice
Eliza posted a survey question on FB about changing the name of the school to Eliza Academy. Of those who responded, 90% said they wanted to change the name. Which statement reflects the validity of the survey?
Valid; it is an unbiased systematic random sample.
Valid; it is an unbiased random sample.
Not valid; it is an unbiased convenience sample.
Not valid; it is a biased voluntary response sample.
- 5. Multiple Choice
Leeza tossed a coin 40 times. She got 25 heads and 15 tails. What is the experimental probability of tossing heads?
25%
37.5%
50%
62.5%
- 6. Multiple Choice
Listen carefully and answer the question correctly...not much time on this one!
Are you kidding me?
x=2
x+2=x-1
Mr. E that was too quick. Stop messing with us!
- 7. Multiple Choice
A jar contains 5 blue marbles, 1 yellow marble, and 4 green marbles. What is the probability of randomly choosing a yellow marble, replacing it, and then choosing a yellow marble again?
- 8. Multiple Choice
What is the mean, median and mode of this data? 20, 15, 24, 37, 55, 1, 39, 40, 3, 35, 28, 0.
mean=24.75, median=26, no mode
mean=24.75, median=20, mode=55
mean=27, median=26, no mode
mean=55, median=52, mode=0
- 9. Multiple Choice
Which measure of variability does NOT correspond to this data?
83, 63, 82, 78, 74, 90, 59, 68, 71, 59, 88, 85.
median=76
third quartile=84
range=90
first quartile=65.5
- 10. Multiple Choice
Brookie Cookie put all of your names into a hat and selected three names without looking. What type of smple did she use?
simple random sample
systematic random sample
biased sample
convenience sample
- 11. Multiple Choice
Samantha rolls a die. What is the probability and the likelihood of the die landing on an odd number?
1/2 equally likely
1/6 equally unlikely
0, impossible
1, certain
- 12. Multiple Choice
Solve for x:
Theta 7 minus lamda 5
5
Mr. E, you are doing it again, aren't you?
Aren't YOU????? Answer me...the time is almost up!!!!!
- 13. Multiple Choice
A spinner marked X, Y, Z, and Q is spun 100 times. It lands on X 20 times. Which comparison of the experimental and theoretical probability of landing on X is valid?
20%<25%
20%=20%
20%>10%
20%<50%
- 14. Multiple Choice
A newborn seahorse is equally likely to be male or female. What is the probability that the first four seahorse babies a daddy seahorse hatches are all female??
1/2
1/8
1/16
0
- 15. Multiple Choice
What creature is this???
Weird looking racoon
A monkey with problems
Mr. E after staying up all night
A sloth
- Answer choicesTagsAnswer choicesTags