The sodium content of twenty 300-gram boxes of organic cornflakes was determined. The data (in milligrams)...
The sodium content of twenty 300-gram boxes of organic cornflakes was determined. The data (in milligrams) are as follows: 131.15, 130.69, 130.91, 129.54, 129.64, 128.77, 130.72, 128.33, 128.24, 129.65, 130.14, 129.29, 128.71, 129.00, 129.39, 130.42, 129.53, 130.12, 129.78, 130.92. a. Construct a two-sided 90% confidence interval on the mean sodium content. b. Construct a 95% two-sided confidence interval on the mean sodium content. 6. Compare these two confidence intervals with each other.
Hypothesis Testing 02 (when a is unkn 1) The sodium content of thirty 300 gram boxes of organic corn flakes was determined. The data (in milligram are as follows: 131.15 130.72 128.71 129.78 129.64 130.69 128.33 129.00 130.92 128.77 130.91 128.24 129.39 131.15 130.72 129.54 129.65 130.42 130.69 128.33 129.64 130.4 129.53 130.91 128.24 128.77 129.29 130.12 129.54 129.65 a. Write down the null and alternative hypotheses to test if the mean sodium content of this brand of cornflakes is...
A magazine listed the number of calories and sodium content (in milligrams) for 13 brands of hot dogs. Examine the association, assuming that the data satisfy the conditions for inference. Complete parts a and b. Variable Coefficient SE(Coeff) t-ratio P-value Constant 90.4899 83.47 1.08 0.3015 Calories 2.49052 0.5728 4.35 0.0012 a) State the appropriate hypotheses about the slope. Choose the correct answer below. A. Upper H 0: beta 1 not equals 0; there is a linear association between calories...