SPA 1.1-1.4 REVIEW

Multiple Choice

Which of the following is not a part of the the Statistical Problem-Solving Process?

• ask questions

• collect data

• analyze data

• interpret results

• make infographics

Multiple Choice

According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several popular movies. Identify the individuals in this data set.

• The movie titles

• The year

• The rating

• The Genre

• The running time

Multiple Choice

According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several popular movies. Identify the variables in this data set.

• Movie titles, year, ratings, time, and genre

• Year, ratings, time, genre, and box office earnings

• Movie titles, ratings, and genre

• Year, time, and box office earnings.

Multiple Choice

According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several popular movies. Identify the categorical variables in this data set.

• Movie titles, year, ratings, time, and genre

• Year, ratings, time, genre, and box office earnings

• Ratings and genre

• Year, time, and box office earnings.

Multiple Choice

According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several popular movies. Identify the quantitative variables in this data set.

• Movie titles, year, ratings, time, and genre

• Year, ratings, time, genre, and box office earnings

• Ratings and genre

• Year, time, and box office earnings.

Multiple Choice

Which of the following is NOT something you do to make a bar chart.

• draw and label axes

• scale the axes

• draw bars

• calculate the median

Multiple Choice

How many mountain bikes were sold?

• 22

• 16

• 28

• 6

Multiple Choice

According to this graph, what is the most popular flavor of Jolly Rancher?

• Cherry (Red)

• Blue Raspberry (Blue)

• Grape (Purple)

• Apple (Green)

Multiple Choice

A common mistake with bar charts is to...

• turn the bars into pictures

• use different colors for each bar

• make the vertical axis start at 0

Multiple Choice

Which of the following is not something you do to create a dot plot?

• Draw and label the axis

• make the dots different colors

• Scale the axis

• Plot the values.

Multiple Choice

What is the shape of the dot plot shown?

• skewed left

• skewed right

• symmetrical

Multiple Choice

What shape is the dot plot for SUV's?

• skewed right

• skewed left

• symmetrical

• none of the above

Multiple Choice

What is the shape of the data for Small Dogs?

• Skewed Left

• Skewed Right

• Symmetric

• Circular

Multiple Choice

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

• SUVs: symmetrical
  Cars: skewed left
• Both are skewed left
• Both are symmetrical
• SUVs: skewed right
  Cars: Skewed left

Multiple Choice

how many people voted in this dot plot

• 4

• 9

• 3

• not here

Multiple Choice

How many students received a score of 94%? 

• 94
• 4
• 1
• 2

Multiple Choice

What is another name for a stem-and-leaf plot?

• Bar graph

• Line graph

• Stemplot

• Pie chart

Multiple Choice

What does splitting stems in a stemplot help with?

• Making the stemplot look more organized

• Showing the shape of the distribution more clearly

• Reducing the number of stems needed

• Comparing two distributions

Multiple Choice

What should be considered when splitting stems in a stemplot?

• The number of possible leaf digits for each stem

• The total number of data values

• The range of the data set

• The mean of the data set

Multiple Choice

What is a back-to-back stemplot used for?

• Comparing two distributions

• Displaying a single distribution

• Showing the mean and median of a data set

• Splitting the data into stems and leaves

Multiple Choice

A class of students wanted to see if caffeine would increased their pulse. They measured their pulses before and after drinking a caffeinated soda. The data is represents in the back to back stemplot.

Key: 14|6 = 146 beats per minute (bpm)

Which of the following statements best compares the before and after distribution of pulse rate?

• -After is roughly skewed to the right while Before is fairly symmetric.

  -After has one potential outlier at 146 bpm.

  • - The center of After is less than the center of Before.

  • - The variability of Before is smaller than the variability of After.

• -Both data distributions are roughly skewed to the right.

  -After has one potential outlier at 146 bpm.

  • - The center of After is higher than the center of Before.

  • - The variability of Before is smaller than the variability of After.

• -Both data distributions are roughly skewed to the right.

  -After has one potential outlier at 146 bpm.

  • - The center of After is higher than the center of Before.

  • - The variability of Before is much larger than the variability of After.

Multiple Choice

What is statistics?

• The science and art of collecting, analyzing, and drawing conclusions from data

• The study of roller coasters

• The process of asking questions and collecting data

• The distribution of a variable

Multiple Choice

What is the first step in the statistical problem-solving process?

• Analyze data

• Ask questions

• Interpret results

• Collect data

Multiple Choice

What does a relative frequency table show?

• The count of individuals having each data value

• The proportion or percent of individuals having each data value

• The pattern of variation of values a variable takes

• The average value of a variable

Multiple Choice

What percent of students had more than 6 candy bars?

• 20%

• 30%

• 80%

• 45%

Multiple Choice

What does the distribution of a variable tell us?

• The count of individuals having each data value

• The proportion or percent of individuals having each data value

• The pattern of variation of values a variable takes

• The average value of a variable

Multiple Choice

What is wrong with this stem and leaf diagram?

• Nothing- it's all correct.
• The order.
• It's missing a key.
• The title.

Multiple Choice

What type of graph is used to display categorical data?

• Line chart

• Bar chart

• Scatter plot

• Histogram

Multiple Choice

What is an outlier?

• A value that falls outside the overall pattern

• The highest value in the data set

• The lowest value in the data set

• The average value of the data set

Multiple Choice

What is a quantitative variable?

• A variable that assigns labels to individuals

• A variable that takes number values

• The count of individuals having each data value

• The proportion or percent of individuals having each data value

Multiple Choice

What is an individual in a data set?

• A person, animal, or thing described in a set of data

• A variable that takes number values

• The count of individuals having each data value

• The proportion or percent of individuals having each data value

Multiple Choice

What is the highest ticket price?

• $35

• $12

• $49

• $40