Lilli scored an 85, 94, 78, and a 99 on her first four math tests. What score will Lilli have to earn on her fifth test to have a mean score of an 88%? (Only type in the number!)
Question 8
8.
Pablo scored a 92, 65, 88, 80, 89, and an 81 on his first six math tests. What score will Pablo have to earn on his seventh test to have a test average of an 83%? (Only type in the number!)
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Which of the following would not be considered a statistical question?
How long did each person take to eat lunch?
Who is the oldest staff member at NGMS?
What day of the week is it today?
Which tree is the tallest at George Pierce Park?
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
The mean will increase
The median will increase
The mean will decrease
The median will decrease
The following grades were were Jodie's test scores:
36, 88, 84, 93, 95
Which measure of central tendency would best represent her test average?
What would happen to her test average if Mrs. Russ removed Jodie's lowest score?
Mean / test average would decrease
Mean / test average would increase
Median / test average would decrease
Median / test average would increase
What is the best measure to use in the set of data below?
92, 62, 68, 70, 68, 71
Using the same data set above, what will happen to the mean if the outlier is removed?
Median / The mean will increase
Mean / The mean will increase
Median / The mean will decrease
Mean / The mean will decrease
The dot plot below shows the length of sharks collected off the coast of Florida.
Each dot represents one shark.
What is the mean shark length? What is the mode of the shark lengths? (Round to the nearest tenth)
5.5 meters / 5 meters & 9 meters
5.7 meters / 5 meters
5.5 meters / 5 meters
5.3 meters / 5 meters
The table below shows the points scored by the JV basketball team in their first seven games. Calculate the mean, median, and mode.
mean: 193 median: 26 mode: 20
mean: 27.6 median: 26 mode: 40
mean: 27.6 median: 26 mode: 20
mean: 27.6 median: 30 mode: 20
Below is a dot plot of the amount of candy bars 15 students sold. Which attributes best describes the dot plot below? What percent of students sold more than 6 candy bars?
Peak 5, data is skewed to the left, gap at 4 & 0, 4.5%
Peak 5, data is skewed to the left, no gap, 22.4%
Peak 3&5, data is symmetrical, gap at 4, 33.3%
Peak is 5, data is skewed left, gap at 4, 20%
Below is a dot plot displaying the ages of the 24 tennis players at the Wimbledon championship. Which set of attributes best describes the dot plot below? What percentage of the players were at least 31 years old?
Peak 28, data is skewed to the right, Gap at 24 and 34, 27%
Peak is 28-30, data is symmetrical, no gaps, 25%
Peak 28-30, data is symmetrical, gaps at 24 and 34, 12.5%
Peak 29, data is skewed to the right, no gaps, 87.5%
How many students received at least 8 hours of sleep and scored greater than an 85% on their math test?
8
5
4
3
Below is a chart that shows the relationship between the distances 6th graders have to walk to get to NGMS and the time it takes them to arrive.
What is the most common distance walked by students to get to NGMS?