Bio 1.2 Statistics in Biology

Multiple Choice

The mean of a data set is the...

• Middle Number

• Average

• Biggest minus smallest

• Number that appears most ofen

Multiple Choice

The mode of a data set is the...

• Middle Number

• Average

• Biggest minus smallest

• Number that appears most ofen

Multiple Choice

The range of a data set is the...

• Middle Number

• Average

• Biggest minus smallest

• Number that appears most ofen

Multiple Choice

The median of a data set is the...

• Middle Number

• Average

• Biggest minus smallest

• Number that appears most ofen

Multiple Choice

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

Multiple Choice

What is the RANGE of these numbers:

22, 20, 23, 21, 23, 25, 22, 29

• 5

• 9

• 2

• 6

Multiple Choice

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Multiple Choice

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Multiple Choice

Which of the following is a correct conclusion to draw from this graph?

• Exercise increases blood plasma prolactin

• Exercise has a significant impact on blood plasma prolactin

• Exercise has no significant impact on blood plasma prolactin

Multiple Choice

"No Overlap" means...

• That there is a statistically significant difference between the two groups

• That there is No statistically significant difference between the two groups

Multiple Choice

True or false: Oranges are more expensive compared to apples.

• True, the average is higher (the bar graph)

• True, the error bars overlap, therefore, there is a significant difference.

• False, the error bars overlap, therefore there is NO significant difference. The variation is due to chance.

Multiple Choice

During experiment 1, the treated sample had significantly less enzyme activity.

• True

• False

Multiple Choice

Which group had a significant decrease in reaction time after the treatment?

• A

• B

• A & B

• C