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Not yet answered Marked out of l 1F Flag question A precision instrument is guaranteed to read accurately to within 2 units. A sample of4 instruments readings on the same object yielded the measurements and the mean is calculated as In =10 and Exi2=36. Test the null hypothesis that o = 0.70 against the alternative 0 =- 0.70. Write null (Ho) and alternative (Ha) hypothesis, and use a = 0.05. Use Chi Square Method to answer this