Practice

Individuals, variables, and categorical & quantitative data - Questions

1. Mr. Gregory sold several cars this week. Here is some data about the cars he sold.

\(\begin{array}{lllll} 

\text{Car sold}  & \text{Retail price<span style="font-size: 0.9375rem;">} & \text{Miles per gallon}  & \text{Seats} & \text{Navigation} \\

\hline \text{Accord} & \$22,205 & 32 & 5 & \text{no} \\

\hline \text{Altima} & \$22,500 & 32 & 5 & \text{no} \\

\hline \text{Camry} & \$23,070 & 30 & 5 & \text{yes} \\

\ldots & \ldots & \ldots & \ldots & \ldots

\end{array}\)

The individuals in this data set are:

Choose 1 answer:

(A) Mr. Gregory's customers

(B) Cars

(C) Seats

This data set contains:

Choose 1 answer:

(A) 3 variables, 2 of which are quantitative

(B) 3 variables, 3 of which are quantitative

(C) 4 variables, 2 of which are quantitative

(D) 4 variables, 3 of which are quantitative

2. Camille is comparing different apartment complexes. Here is the data she collected.

\( \begin{array}{llllll} 

 \text{Complex name} &  \text{Bedrooms} &  \text{Bathrooms} &  \text{Rent} &  \text{Rent includes heat} & \text{Amenities} \\

\hline \text{Grand Vistas} & 2 & 2 & 990 &  \text{no} & \text{fitness center, pool} \\

\hline  \text{Maple Ridge} & 2 & 1.5 & 685 &  \text{yes} & \text{fitness center, pool} \\

 \text{Old Mill} & 2 & 1.5 & 790 &  \text{no} &  \text{pool} \\

 \text{Willow Brook} & 2 & 2 & 885 &  \text{no} &  \text{jacuzzi}

\end{array}\)

The individuals in this data set are:

Choose 1 answer:

(A) Amenities

(B) Landlords

(C) Apartment complexes

This data set contains:

Choose 1 answer:

(A) 4 variables, 2 of which are categorical

(B) 4 variables, 3 of which are categorical

(C) 5 variables, 2 of which are categorical

(D) 5 variables, 3 of which are categorical

3. The girl's basketball team played a game this Wednesday. Here are some of the statistics for the players from the game.

\(\begin{array}{llll} 

\text{Player name}  & \text{Free throw percentage} & \text{Assists & Class}  \\

\hline \text{Simone}  & 100 \% & 4 & \text{Junior}  \\

\hline \text{Maricel}  & 75 \% & 3 & \text{Junior} \\

\hline \text{Derin} & 80 \% & 7 & \text{Senior} \\

\hline \text{Alli} & 90 \% & 2 & \text{Senior} \\

\hline \text{Asha} & 50 \% & 0 & \text{Sophomore} \\

\hline \ldots & \ldots & \ldots & \ldots \\

\hline

\end{array}\)

The individuals in this data set are:

Choose 1 answer:

(A) Basketball scores

(B) Basketball players

(C) Basketball games

This data set contains:

Choose 1 answer:

(A) 3 variables, 1 of which is quantitative

(B) 3 variables, 2 of which are quantitative

(C) 5 variables, 1 of which is quantitative

(D) 5 variables, 2 of which are quantitative

4. Madison recorded weather conditions for some major cities on the same day. Here is some of the data she collected.

\(\begin{array}{lllll} 

\text{City name}  & \text{High temp. (degrees Celsius)}  & \text{Kind of precipitation}  & \text{Average wind speed (kilometers per hour)}  & \text{Severe weather alert?}  \\

\hline \text{Detroit}  & 26 & \text{rain} & 15 & \text{no} \\

\text{San Francisco} & 20 & \text{none}  & 17 & \text{no} \\

\hline \text{New York}  & 20 & \text{rain}  & 6 & \text{yes} \\

\ldots & \ldots & \ldots & \ldots & \ldots

\end{array}\)

The individuals in this data set are:

Choose 1 answer:

(A) Cities

(B) Average wind speeds

(C) Weather conditions

This data set contains:

Choose 1 answer:

(A) 4 variables, 1 of which is categorical

(B) 4 variables, 2 of which are categorical

(C) 3 variables, 1 of which is categorical

(D) 3 variables, 2 of which are categorical