Math 14 Test 2 Review

A distribution of a sample statistic based on random samples from the population is called:

Given the SPSS output below, what is the value of the test statistic?

Since the P-value from the SPSS output is 0.058, what is the conclusion to the test below?

μ is the: _________________

Estimate the score at 30 months of age. 

Find the area (probability) that corresponds to the z value shown below.

If data is normally dist with μ = 70 and σ = 15.Between what two values will 95% of data fall?

 From the following table of r-values, what is the best predictor of blood pressure?

The circle and #154 on the graph means what?

What type of test should be used to test the claim made below?

The regression line can also be called the _____________.

What is the alternative hypothesis for the question below?

This distribution is __________. 

Find the area (probability) under the standard normal curve that is to the right of z = 0.87

_________ tells us both the strength of the correlation and the direction (words and symbol).

The value of r² is:

Find the z value that corresponds to the area (probability) shown below. 

_____ % of our data falls within +1 standard deviation of the mean in the normal distribution

The equation below is for:__________ ; it measures: __________

Estimate the value of r and r²

Methods used to conclude or infer something about a population, based on a sample is called:

No correlation will have an r value of _____.

If we estimate the score at 60 months of age, what is this called?

To determine if there is a correlation between 2 variables, we should draw this type of graph: