Data and Statistics Problem Solving Techniques

What does the mean represent in data analysis?

• The middle value of the dataset

• The most frequently occurring value

• The average value of the dataset

• The difference between the highest and lowest values

How is the range of a dataset calculated?

• By arranging the data points from least to greatest and finding the middle value

• By adding all data points and dividing by the number of points

• By finding the difference between the highest and lowest values

• By counting the number of times each value occurs

What percentage of students chose sugar as their favorite cookie flavor?

• 24%

• 36%

• 50%

• 12%

How many more people preferred rock over jazz as their favorite music genre?

• 25 people

• 30 people

• 125 people

• 500 people

What is the median of Mitch's miles run during workouts?

• 7 miles

• 5.5 miles

• 6 miles

• 3 miles

Which statement is true based on the dot plots?

• Mitch's mode is less than Ivan's.

• Ivan's range is greater than Mitch's.

• The mode of Ivan's miles is less than the mode of Mitch's miles.

• Ivan's median is less than Mitch's.

What does the third quartile represent in a box plot?

• The median of the dataset

• The difference between the highest and lowest values

• The highest value of the dataset

• 75% of the data falls below this value

Which grade had a larger range of homework hours per week?

• Both had the same range

• Grade 10

• Grade 9

• Cannot be determined

What is the median of the data from grade 10?

• 5 hours

• 7 hours

• 6 hours

• 8 hours

How is the interquartile range (IQR) calculated from a box plot?

• Q3 minus Q1

• Maximum minus minimum

• Median of the dataset

• Sum of Q1 and Q3