TSIA2 Boot Camp - Telling the Story– Interpret & Represent Data

Multiple Choice

Which visual representation is best for showing how data is spread out and identifying clusters or unusual values?

• Box plot

• Bar graph

• Stem and leaf plot

• Pie chart

Fill in the Blank

The x-axis on a histogram shows the ___ of the data.

Multiple Choice

On which day were the most books sold according to the Book Mania Sales for January graph?

• Jan. 3

• Jan. 9

• Jan. 14

• Jan. 24

Multiple Choice

Ms. Sampson’s class voted on which activity was their favorite to play at recess. The bar graph represents the results. If the number of students who voted for football is three-fourths of the number of students who voted for basketball, how many students voted for football?

• 1

• 3

• 4

• 6

Open Ended

Could you describe what this data set tells you?

5, 12, 17, 20, 22, 24, 29, 33, 35

Is it spread out? Is it clustered around the middle? What does the IQR reveal?

Multiple Choice

The dot plot shows the number of books read by each of 20 students in Mrs. Kavanaugh’s class during summer break. What fraction of students read more than 3 books?

• $$\frac{3}{20}$$

• $$\frac{1}{5}$$

• $$\frac{7}{20}$$

• $$\frac{13}{20}$$

Multiple Choice

A local gym recorded how many times each member visited the gym in a month. The number of visits for each member is listed in the frequency table. What is the average number of visits to the local gym?

• 2.45

• 2.50

• 2.55

• 2.72

Multiple Choice

So, based on the line of best fit, about how tall is a kangaroo that weighs 55 kg?

• 134 cm

• 140 cm

• 144 cm

• 148 cm

Multiple Choice

A car salesman graphs the relationship between the age of a car and its selling price. The line of best fit is y = -15x + 212. What does the slope of the line of best fit tell you about this relationship?

• Each additional year of age increases the selling price of the car by about $15,000.

• Each additional year of age decreases the selling price of the car by about $15,000.

• Every 10 years, the selling price increases by $150,000.

• The car’s price stays the same regardless of age.

Multiple Choice

The scatterplot below shows the relationship between the number of hours students spent practicing a song and their final performance score. A line of best fit has been drawn. Which of the following is true about the student who practiced for 9 hours?

• The student’s score is 6 points higher than the predicted score.

• The student’s score is exactly what the line of best fit predicts.

• The student’s score is 6 points lower than the predicted score.

• The student’s score is 12 points higher than the predicted score.

Multiple Choice

The number of marriage licenses issued by Comal County, Texas, has been decreasing since the year 2000. This can be modeled by the equation y = -3,358.1x + 6,861,400, where x is the year and y is the number of marriage licenses issued. Using this model, how many marriage licenses would you expect to be issued in 2023? Round your answer to the nearest hundred.

• 160,000 licenses

• 132,000 licenses

• 68,000 licenses

• 6,800 licenses

Poll

Before we wrap up, a couple of survey questions to help us improve:

How would you describe the pacing of Boot Camp?

• Just right

• Too fast

• Too slow

• It varied too much

Poll

Did you feel like there was enough time to understand the math lessons?

• Yes

• Somewhat

• No

Open Ended

What’s one thing we could improve in the math portion?