Scatter Plots and Data — Quick Check (Grade 8)

The two-way table shows the number of male and female students enrolled in each grade at Cassandra’s middle school. How many total female students are enrolled at Cassandra’s middle school?

• 98

• 331

• 339

• 335

Tags

MACF.8.SP.A.4

The scatterplot shows the number of years of experience of 8 different wedding photographers and the number of weddings they photographed over the last year. Based on the scatter plot, what would be the best prediction of the number of weddings that a photographer with 7 years of experience would photograph in a year?

• 41

• 57

• 68

• 75

Tags

MACF.8.SP.A.2

The table shows the number of cats owned by 5 different individuals and the number of pounds of cat food each individual buys each month. Use the table to construct a scatter plot, and then choose the statement that best describes the data in the scatter plot. Number of Cats vs. Food/Month (lbs): (2, 10), (4, 21), (1, 6), (3, 17), (5, 25). Which statement is correct?

• The data appears linear with positive association.

• The data appears linear with negative association.

• The data appears non-linear with positive association.

• The data appears non-linear with no association.

Tags

MACF.8.SP.A.1

The scatter plot shows different people’s ages and the number of states they have visited. Based on the equation of the trend line shown, how many states would you predict someone who is 50 years old has visited?

• 12 states

• 22 states

• 18 states

• 15 states

Tags

MACF.8.SP.A.3

Which best describes the main difference between scatter plots X and Y shown below?

• X shows clustering while Y does not show clustering.

• X is non-linear while Y is linear.

• X shows negative association while Y shows positive association.

• X contains an outlier while Y does not contain any outliers.

Tags

MACF.8.SP.A.1

The two-way table represents the types of drinks that were sold at Joe’s coffee stand over the weekend, and whether each drink was hot or cold and what size the drink was. Based on the table, which of the following statements is true?

• Of the total drinks ordered, about 18% were size small.

• Of the cold drinks ordered, about 44% were size large.

• Of the medium drinks ordered, about 51% were hot drinks.

• Of the total drinks ordered, about 21% were size medium.

Tags

MACF.8.SP.A.4

• 1,038 students

• 30 students

• 890 students

• 1,020 students

Tags

MACF.8.SP.A.3

The two-way table shows the type of lunches ordered by teachers and students in the cafeteria yesterday. Of the total people who ordered in the cafeteria yesterday, what is the relative frequency of teachers to the nearest percent?

Mathematical Equivalence

ON

Tags

MACF.8.SP.A.4