AP Bio Unit 0 (Intro & Stats)

Which of the following statements is true pertaining to the graph given?

• There are more Rainbow Pitta than Cockatoo

• There are 17.5 million Guildian Finch

• Guildian Finch have the least accurate population measurement.

• Cockatoo and Rainbow Pitta have no statistical difference in population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the correct terminology for the null hypothesis? 

• There is no significancee between the observed and expected values. 
• There is significance between the estimated and  expected values 
• There is significance between the observed and calculated values 
• There is no significance between the observed values and the alternative hypothesis. 

In a normal distribution curve, how much data is contained with 2 standard deviation, +/- of the mean?

• 68%

• 95%

• 34%

• 99%

Are the two means shown in the graph significantly different from each other?

• Yes, because the error bars don’t overlap

• Yes, because the error bars do overlap

• No, because the error bars do overlap

• No, because the error bars don’t overlap

Tags

NGSS.HS-LS4-3

Ate the two means shown in the graph significantly different from each other?

• Yes, because the error bars don’t overlap

• Yes, because the error bars do overlap

• No, because the error bars do overlap

• No, because the error bars don’t overlap

Tags

NGSS.MS-LS1-5

Degrees of freedom is calculated by

• dividing the standard deviation by the square root of the sample size

• subtracting one from the sample size

• adding together all values and dividing by the sample size

• squaring the difference between the observed and expected values

What is the standard error of the optimum soil temperature for germination rate?

• 1.78

• 0.91

• 2.89

• 5.34

The measure of how far a data set diverges from the central tendency.

• Mean

• Range

• Standard Deviation

• Variability

The difference between the largest and smallest values.

• Mean

• Range

• Standard Deviation

• Variability

Larger range will have _____ variability and smaller range will have _____ variability.

• greater, less

• greater, greater

• less, greater

• less, less