Draw Inferences from Data Review

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dot plots show the number of calls that two radio stations receive each day for a ten-day period. The two shows are shown at the same time. Which of the following inferences based on the median values is valid?
The radio shows receive similar amounts of calls.
Radio Show 1 generally receives more calls.
Radio Show 2 generally receives more calls.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Group A and Group B were randomly sampled from the same population. What inference can you make?
Group A has higher overall variability because it has a larger range than Group B.
Group A has a lower overall variability because it has a smaller range than Group B.
Group B has a higher overall variability because it has a larger range than Group A.
Group B has a lower overall variability because it has a smaller range than Group A.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sonya randomly surveys 26 seventh graders to gather data about the amount of time spent each week using the Internet. Sonya records the data in the dot plot shown. What is the median of the data set?
7
7.5
8
7.25
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Anna recorded the types of vehicles that drive by her house. The table shows the types of the last 150 vehicles that drove by her house. Using the data, what is the probability that the next vehicle to drive by her house will be a pickup truck?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dice is rolled 40 times. The results are: 1 - 5 times 2 - 4 times 3 - 8 times 4 - 2 times 5 - 15 times 6 - 6 times Which statement is TRUE about the results of landing on a 5?
The theoretical probability is about twice the experimental probability.
The experimental probability is about twice the theoretical probability.
The theoretical probability is about four times the experimental probability.
The experimental probability is about four times the theoretical probability.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The container has 25 yellow, 15 green, 30 blue, 10 pink, and 20 orange balls. Balls were selected one at a time, results recorded, and placed back in the container. After 80 draws, the pink ball was selected 4 times.
Which statement BEST explains the experimental and theoretical probability of selecting a pink ball?
The experimental probability is greater than the theoretical probability. As the number of draws increases, the probabilities will be closer to each other.
The theoretical probability is greater than the experimental probability. As the number of draws increases, the probabilities will be closer to each other.
The experimental probability is greater than the theoretical probability. As the number of draws decreases, the probabilities will be closer to each other.
The experimental probability is less than the theoretical probability. As the number of draws decreases, the probabilities will be closer to each other.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Will is conducting an experiment where he spins a spinner and records the result. He conducted 40 trials in his experiment. The results are in the table.
If Will were to spin the spinner 175 times, approximately how many times could he expect to land on green?
11 times
51 times
48 times
26 times
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