A Level Statistics

Hypothesis Testing Questions and Answers

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Question 1 of 6hypothesis testing

A random sample of 80 pockets of manure gives $\sum x=79.53$ and $\sum x^2=100.4621$ (in kg). Testing $H_0:\mu=1.10$ against $H_1:\mu<1.10$ , what is the value of the test statistic $t$ , to 2 decimal places?

Questions on this topic

Paper 1hypothesis testing
A random sample of 80 pockets of manure gives \sum x=79.53 and \sum x^2=100.4621 (in kg). Testing H_0:\mu=1.10 against H_1:\mu<1.10, what…
Paper 1hypothesis testing
A test of H_0:\mu=1.10 kg against H_1:\mu<1.10 kg for the mass of manure pockets gives a test statistic of t=-1.82 with 79 degrees of…
Paper 2hypothesis testing
Which statement correctly distinguishes a statistic from a parameter?
Paper 2hypothesis testing
A sample of 10 toothpick lengths (cm): 4.99, 4.96, 5.00, 4.98, 5.01, 4.95, 4.96, 4.97, 4.99, 4.97 gives a sample mean of 4.978 cm and…
Paper 4hypothesis testing / central limit theorem
A driver records the times (minutes) taken to complete a 50 km lap over 30 laps: Time 23 (frequency 3), 24 (7), 25 (8), 26 (6), 27 (3), 28…
Paper 4hypothesis testing / central limit theorem
A sample of 30 lap times has mean 25.3 minutes and standard deviation 1.218 minutes. Testing H_0:\mu=25 against H_1:\mu>25, what is the…

More topics in this subject

Normal Distribution Probability Poisson Distribution Correlation and Regression Continuous Random Variables Descriptive Statistics Confidence Intervals

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