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Complete this question by hand, using a calculator and tables available on Canvas. A producer of low-fat yoghurt claims that the calorie content per pot of this yoghurt is 65 calories. The calorie content of the yoghurt is normally distributed. For a random sample of 15 pots of yoghurt, the sample mean was 67.3 and the sample variance was 13.2. Perform an appropriate test to check whether the mean calories content of the low-fat yoghurt is indeed 65 calories. 1. Assuming that u is the population mean of the calorie content of the low-fat yoghurt, state the null hypothesis Ho and the alternative hypothesis Hj. HO: ab sin (a) f ах a 12 I u= 65 回 H1 : ab sin (a) a f Ox oo a 2. Enter the value of the test statistic for this test (to three decimal places): A