Negative, positive positive, positive
positive, negative
15.
A granite block has a mass of 250g and has a length of 5cm, a width of 3 cm and a height of 2cm. What is the volume of the
granite block?
8.3 g/cm3
30 cm3
30 cm
10 cm
16.
An aluminum pan has a mass of 3200g and occupies a space of 1185 cm3. What is the density of the aluminum pan?

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

For which pair of objects would adding the same a