Question 1 (Essay Worth 10 points)
(08.01 MC)
Minnie is doing a survey to find the time...
![subject](/tpl/images/cats/mat.png)
Mathematics, 16.04.2021 21:00 shelbybibb99
Question 1 (Essay Worth 10 points)
(08.01 MC)
Minnie is doing a survey to find the time her classmates spend playing musical instruments. She asks the following question:
Which student spends the most time playing musical instruments?
Part A: Describe the data you would expect her to collect from this question. (5 points)
Part B: Explain whether this is a statistical question. If this is not a statistical question, then modify the question to make it statistical. (5 points)
Question 2 (Essay Worth 10 points)
(08.02 MC)
The number of pets owned by eight classmates is shown below:
1, 3, 2, 2, 1, 3, 3, 1
Part A: What is the mean of the data? Show your work. (4 points)
Part B: Use your answer from Part A to calculate the mean absolute deviation for the data. Show your work. (6 points)
Question 3 (Essay Worth 10 points)
(08.03;08.04 MC)
A group of 11 students participated in a quiz competition. Their scores are shown below:
Scores
7 8 3 6 3 14 4 3 2 3 5
Part A: Would a dot plot, a histogram, or a box plot best represent the range of scores of the students by quartiles. Explain your answer. (4 points)
Part B: Provide a step-by-step description of how you would create the graph named in Part A. (6 points)
Question 4 (Essay Worth 10 points)
(08.05;08.06 HC)
The box plot below shows the total amount of time, in minutes, the students of a class surf the Internet every day:
A box plot is shown. The left-most point on the plot is 20 and the right-most point is 95. The box is labeled 37.5 on the left edge and 60 on the right edge. A vertical line is drawn inside the rectangle at the point 50.
Part A: List two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points)
Part B: Calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points)
Part C: Explain what affect, if any, there will be if an outlier is present. (2 points)
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