AP - Unit 0: Statistics

SE refers to the...

• mean

• standard deviation

• standard error of the mean

• chi square

The symbol  $\Sigma$  means

• sample mean

• square root of all values

• sum of all values

• sample size

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.HS-LS2-1

NGSS.HS-LS2-2

NGSS.HS-LS2-6

The null hypothesis is represented by:

• Ha

• Ho

• t*

• HP

• μ

There is evidence against the null hypothesis whenever ___________.

• the P-value is lower than 0.05

• the P-value is larger than 0.05

• the P-value is .5

• the P-value is 1

If the chi-square is less than the critical value, what should we do?

• Reject the Null Hypothesis

• Fail to Reject the Null Hypothesis

• Accept the Null Hypothesis

If the chi square is more than the critical value, what should we do?

• Reject the Null Hypothesis

• Fail to Reject the Null Hypothesis

• Accept the Null Hypothesis

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. 

The alternative hypothesis is represented by:

• Ha

• Ho

• t*

• HP

• μ

Which letter usually represents the number of data points?

• n

• H

• o

• P

Tags

NGSS.HS-LS3-3