Nutritional intake among Canadian highperformance
Chapter , Problem 6.72(choose chapter or problem)
Nutritional intake among Canadian highperformance athletes. Since previous studies have reported that elite athletes are often deficient in their nutritional intake (for example, total calories, carbohydrates, protein), a group of researchers decided to evaluate Canadian high-performance athletes.24 A total of n 324 athletes from eight Canadian sports centers participated in the study. One reported finding was that the average caloric intake among the n 201 women was 2403.7 kilocalories per day (kcal/d). The recommended amount is 2811.5 kcal/d. Is there evidence that female Canadian athletes are deficient in caloric intake? (a) State the appropriate H0 and Ha to test this. (b) Assuming a standard deviation of 880 kcal/d, carry out the test. Give the P-value, and then interpret the result in plain language. 6
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