PLTW Sheets Data Competition

What is the average grade on the 5th grader test?

• 63.2

• 70

• 30.041

• 29.434

What is the sample standard deviation of the scores on the 5th grader test?

• 63.2

• 70

• 30.041

• 29.434

What is the median value of the number of times a student has moved?

• 5

• 4.687

• 9

• 7.16

What is the average number of times a student has moved?

• 5

• 4.687

• 9

• 7.16

What is the sample standard deviation for the number of hours a student texts in one day?

• 3.411

• 4.687

• 3.342

• 3.84

What is the sample standard deviation for how many times students have moved?

• 3.411

• 4.687

• 3.342

• 3.84

What percentage of students said they would be between the ages of 38.1 and 47.1 when their child graduated? *Hint - look at the ranges!

• 95%

• 50%

• 68%

• 99.7%

99.7% of students said they would be between the ages of _____ and ______ when their first child graduated.

• 29.1 and 56.1

• 33.6 and 51.6

• 31 and 50

• 0 and 100

According to the data collected about how many hours per day a student is texting, what is the maximum hours per day a student spends texting?

• 1

• 24

• 11

• 3.84

According to the sample standard deviation for 5th grade scores, it is possible for a portion of the 99.7% of human to get a negative score on this test.

• True

• False

• Impossible to determine