Just to make sure 4 is the correct answer but heres answers to get an 80%
Step-by-step explanation:
Question 1 (Worth 4 points)
(08.05)The box plot shows the number of years during which 24 colleges have participated in a local college fair:
A boxplot is titled Years of Participation and labeled Years. Number line from 0 to 10 with primary markings and labels at 0, 5, and 10. The box extends from 2 to 7 on the number line. There is a vertical line at 4. The whiskers end at 0 and 9.
At least how many schools have participated for 2 years or fewer?
2 schools. incorrect
4 schools. correct answer
6 schools
7 schools
Points earned on this question: 0
Question 2 (Worth 3 points)
(08.05)What conclusion can be determined from the dot plot below?
A dot plot showing five dots above 9, six dots above 10, three dots above 11, and one dot above 12.
The number of observations is 10.
The median of the data set is 10. correct answer
The mean of the data set is 15.
The range of the data set is 12.
Points earned on this question: 3
Question 3 (Worth 3 points)
(08.05)Some students reported how many pets they had. The dot plot shows the data collected:
A dot plot is titled Students Pets and labeled Number of Pets. The values on the horizontal line are 0, 1, 2, 3, and 4. There are 5 dots above 0, 4 dots above 1, 3 dots above 2, 2 dot above 3, and 1 dot above 4.
What do the dots above the number 3 indicate?
There are exactly 2 students with 3 pets. correct asnwer
There are exactly 3 students with 2 pets.
There are exactly 2 students with more than 3 pets.
There are exactly 3 students with more than 2 pets.
Points earned on this question: 3
Question 4 (Worth 3 points)
(08.05)Theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. What is the lowest score she can get on the fifth test and still finish with an average score of 90 points?
96 points
97 points
98 points
99 points. Correct answer
Points earned on this question: 3
Question 5 (Worth 3 points)
(08.05)The box plot shows the total amount of time, in minutes, the students of a class spend reading each day:
A box plot is titled Daily Reading Time and labeled Time (min). The left most point on the number line is 15 and the right most point is 55. The box is labeled 21 on the left edge and 48 on the right edge. A vertical line is drawn inside the rectangle at the point 37. The whiskers are labeled as 16 and 53
What information is provided by the box plot?
The mean for the data
The median for the data. Correct asnwer
The number of students who provided information
The number of students who read for more than 21.5 minutes
Points earned on this question: 3
Question 6 (Worth 4 points)
(08.05)The histogram below shows information about the hours students spent exercising in a week:
A histogram is titled Weekly Exercise, the horizontal axis is labeled Hours of Exercise, and the vertical axis is labeled Students. The range on the horizontal axis is 0 to 4, 5 to 9, and 10 to 14. The values on the vertical axis are from 0 to 10 at intervals of 1. The first bin goes to 4, the second bin to 9, the third bin to 5.
Which information is provided in the histogram?
The number of students who exercised 4 hours or more. Correct asnwer
The number of students who exercised 9 hours or fewer
The mean hours of exercise
The median hours of exercise