Unit Test — Unit test Answers

The table shows the number of calories in four meals and the cost of each meal.

Justin packed two suitcases for his trip and compared the weights of the items he packed in each of the suitcases.Which statement is true about the box plots?

The graph represents the distribution of the number of questions answered correctly on a 50-question math test.

The graph shows the best-fit regression model for a set of data comparing the number of hours spent hiking and the number of miles traveled in one day.

Georgianna wants to use the linear model associated with the data in the table to make a prediction.

Which value for R in the table would most likely indicate an association between the conditional variables?

Which graph shows data whose r-value is most likely closest to 1?

Violet creates two spinners for a game. Each spinner is spun once, and the sum is recorded. The table represents the sums of the spinners and the frequency of each sum.

Which values are correct? Select three options.

The two-way frequency table represents data from a survey asking mall visitors whether they like seafood, meat, or both. Which is the joint relative frequency for mall visitors who like seafood and meat?

The dot plot shows the number of words students spelled correctly on a pre-test.

The data set represents the total number of tickets each person purchased for a play.0, 0, 1, 1, 1, 2, 2, 2, 4, 4What is the median of the data?

A store manager is looking at past jewelry sales to determine what sizes of rings to keep in stock. The list shows the ring sizes purchased by the last ten jewelry customers.9, 7, 6.5, 7.5, 7, 8, 5, 6, 7.5, 8

Which phrases describe the relationship between heart rate and daily intake of caffeine? Select two options.

A conditional relative frequency table is generated by row from a set of data. The conditional relative frequencies of the two categorical variables are then compared.

Which graph shows a negative correlation?

The residents of three towns were polled to find the percentage of residents who take a vacation in the summer or in the winter. Which is the joint relative frequency of those in Town 2 who take a summer vacation? Round the answer to the nearest percent.

Which could be a conditional relative frequency table?

The table shows the number of flowers in four bouquets and the total cost of each bouquet.

The box plots compare the exam scores of Ms. Dobson’s class to the rest of the students who took the test in the district.Which statement is true about the box plots? Select three options.