The claim is the alternative hypothesis.

Sketch a scatter plot for the data.  You may either attach your sketch by hand our your output from StatCrunch.

Determine the test of significance (t-test or z-test).

State the null and alternative hypotheses. Write your answers as “H_0: answer” and “H_a: answer”

How large of a sample of students must be selected if we want to be 95% confident that our estimate is within 2.5 points of the population mean test score?

The correlation coefficient is r =0.504

7.2.  Queen Mary of Scots was Henry’s older sister (1)  

9.5. When did WW2 end? (1)

  6. Look at the map of England that was settled by the Vikings. (5) Click on the blue button to open the image       Imagine you are a Viking settling in England in the 8th Century. Write a letter to your mother telling her about your new home.        You should mention: 1. Where you settled (1) 2. Why you settled there (2) 3. What life is like in your new home (2)        

9.4. How was South Africa involved in the war? (1)