Scatterplots

Front

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Which statement is true? Options: More ticket writers results in fewer tickets issued., There were 50 tickets issued every week., When there are 10 ticket writers, there will be 800 tickets issued., More ticket writers results in more tickets issued.

Back

More ticket writers results in more tickets issued.

Front

What kind of relationship between class study time and test scores is shown on the scatter plot? Options: No correlation, Positive correlation, Negative correlation, Positive then negative correlation

Back

Positive correlation

Front

The following scatter plot shows the weights and lengths of some dinosaurs. Which statement accurately describes the information? Options: The information shows a positive correlation. The weight of a dinosaur tends to increase according to its length., The information shows a negative correlation. the weight of a dinosaur tends to decrease according to its length., The information shows no correlation. The weight and length vary according to the type of dinosaur., The information shows no correlation. The relationship between the weight and length of a dinosaur is uncertain.

Back

The information shows a positive correlation. The weight of a dinosaur tends to increase according to its length.

Front

Why was Trevor's conclusion about a positive correlation between class size and number of absences incorrect?

Back

The data show no relationship between class size and number of absences.

Front

Relationship between traffic volume and vehicle speed on a freeway (1999) based on a scatter plot.

Back

As traffic volume increases, vehicle speed decreases.

Front

Ms. Ochoa recorded the age and shoe size of each student in her physical education class. This graph shows her data. Which of the following statements about the graph is true? Options: The graph shows a positive trend., The graph shows a negative trend., The graph shows a constant trend., The graph shows no trend.

Back

The graph shows no trend.

Front

Time to complete 9 laps based on scatter plot with line of best fit.

Back

5

Front

Based on the line of best fit for the scatter plot, what is the cost of a 120-minute phone call? Options: $10, $12, $15, $20

Back

$12

Front

Which graph shows the line of best fit? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph B

Front

Which scatter plot shows a positive relationship? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C