1. Hypothesis Means Test Extra Lesson 1 Have on the table your Estimation Moodle homework

2. Step 5: Make conclusions – can H 0 be rejected? Interpret in context. Step 4: Using the sample mean calculate it’s corresponding z-value and plot this on your diagram. Step 2: Write out H 0 and H 1 in mathematical terms and assume the null hypothesis to be true. The steps involved in carrying out a test on a normal mean are as follows: Step 3:Using your tables or inverse normal button on you calculator, find the critical z-value(s) and draw a diagram Hypothesis tests: Normal mean Step 1: State the distribution and the test significance level – if none is mentioned in the question, it is usual to choose 5%.

3. Basic Arithmetic Hypothesis Test A maths teacher claims that the average percentage score in the basic arithmetic timed test is 85%, for A level maths students. Using your class as a sample and knowing that the population standard deviation for this test is 12%, test at a 5% significance level to see if this is a valid claim. 10 quick questions BIDMAS