MATH 120 WEEK 8 FINAL EXAM 2023-2024
T e R Xe T ) T B P R s,
(AMU) EXAM VERSION 1 SPRING-FALL TERM
1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the mean of the scores?
2. 10students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the median of the scores?
3. 10students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the mode of the scores?
4. While conducting market research, an automobile manufacturer looks at the number of SUVs
and sedans produced in the prior year. What type of data is this?
5. While conducting market research, an automobile manufacturer asks consumers about their
preferences between SUVs and sedans. What type of data is this?
6. A political think tank wants to conduct a poll of likely voters in a state. If the think tank breaks
the state into 20 groups with common characteristics and then randomly samples each group,
what type of sampling is this?
Ng
7. Aresearch team at a medical device manufacturer wants FDA approval for the manufacturer's
latest product. The team sets up a study where half of the participants in the study use the
device and half of the participants in the study do not. When the study is over, the research
team compares the results of the two groups. Which type of study is this?
8. f 10,000 students take a standardized test, which type of graph would be most helpful for
understanding the data?
, 9. |Ifthe graph is displaying the estimated value of homes in an area, approximately what is the
average home value?
10. Which answer explains why the average home value is above the median home value?
11. If there is a 30% chance of rain each of the next two days, what is the probability of rain both
days? (Assume rain is an independent event.)
12. If there is a 60% chance of rain each of the next two days, what is the probability that it does not
rain on either day? (Assume rain is an independent event.)
8
13. Roulette is a game of chance using a wheel with 38 colored pockets and a ball that randomly
lands in one of the colored pockets. In the American version of roulette, there are 18 red
pockets, 18 black pockets, and 2 green pockets. What is the probability that a gambler betting on
green will win?
T e R Xe T ) T B P R s,
(AMU) EXAM VERSION 1 SPRING-FALL TERM
1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the mean of the scores?
2. 10students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the median of the scores?
3. 10students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91
What is the mode of the scores?
4. While conducting market research, an automobile manufacturer looks at the number of SUVs
and sedans produced in the prior year. What type of data is this?
5. While conducting market research, an automobile manufacturer asks consumers about their
preferences between SUVs and sedans. What type of data is this?
6. A political think tank wants to conduct a poll of likely voters in a state. If the think tank breaks
the state into 20 groups with common characteristics and then randomly samples each group,
what type of sampling is this?
Ng
7. Aresearch team at a medical device manufacturer wants FDA approval for the manufacturer's
latest product. The team sets up a study where half of the participants in the study use the
device and half of the participants in the study do not. When the study is over, the research
team compares the results of the two groups. Which type of study is this?
8. f 10,000 students take a standardized test, which type of graph would be most helpful for
understanding the data?
, 9. |Ifthe graph is displaying the estimated value of homes in an area, approximately what is the
average home value?
10. Which answer explains why the average home value is above the median home value?
11. If there is a 30% chance of rain each of the next two days, what is the probability of rain both
days? (Assume rain is an independent event.)
12. If there is a 60% chance of rain each of the next two days, what is the probability that it does not
rain on either day? (Assume rain is an independent event.)
8
13. Roulette is a game of chance using a wheel with 38 colored pockets and a ball that randomly
lands in one of the colored pockets. In the American version of roulette, there are 18 red
pockets, 18 black pockets, and 2 green pockets. What is the probability that a gambler betting on
green will win?
