7.PR.6.6 Ticket Review

Front

What is the definition of upper quartile in a data set?

Back

The upper quartile (Q3) is the value that separates the highest 25% of data from the rest, meaning 75% of the data falls below this value.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Front

What does it mean if a dot plot is skewed left?

Back

A dot plot is skewed left if the tail on the left side is longer or fatter than the right side, indicating that more data points are concentrated on the higher end.

Front

What is the total number of students surveyed if 15 students reported their number of brothers and sisters?

Back

15 students were surveyed.

Front

How many students received a score in the 80's if the answer is 10?

Back

10 students received a score in the 80's.

Front

What is the definition of a symmetrical distribution?

Back

A symmetrical distribution is one where the left and right sides of the distribution are mirror images of each other.

Front

What does it mean if a dot plot is skewed right?

Back

A dot plot is skewed right if the tail on the right side is longer or fatter than the left side, indicating that more data points are concentrated on the lower end.

Front

What is the significance of quartiles in data analysis?

Back

Quartiles divide a data set into four equal parts, helping to understand the distribution and spread of the data.

Front

If the upper quartile is 64, what does this indicate about the data set?

Back

It indicates that 75% of the data points are below 64.

Front

What is the formula for calculating the mean of a data set?

Back

The mean is calculated by adding all the values in the data set and dividing by the number of values.