Oligofructose and Calcium Absorbtion. Nondigestible oligosaccharides are known to stimulate calcium absorbption in rates. A double-blind, randomized experiment investigated whether the consumption of oligofrustose similarly stimulates calciium absorption in healthy male adolescents 14 to 16 years old. The subjects took a pill for nine days and had their calcium absoprtion tested on the last day. The experiement was repreated three weeks later. Some subjects received the oligofructose pill in the first round and then a pill containing sucrose (serving as the control). The order was switched for the remaining subjects. The data reflects the fractional calcium absorption data (in percent of intake) for 11 subjects. Subject Control 78.40 Oligofructose 62.00 2 3 76.60 57.40 95.10 46.50 51.50 49.40 89.70 43.80 4 5 6 49.00 46.60 44.20 7 50.30 51.60 8 42.90 9 10 37.20 34.10 24.60 66.60 52.70 a) Set up the Null and Alternative Hypothesis (95% Confidence) 11 54.00 Null Hypothesis Alternative Hypothesis b) What are the df (degrees of Freedom)? c) What is the p-value (Show you work on how you got it). d) Determine the Confidence Interval ay 95%. e) Do the data provide evidence that oligofructose facilitates calcium absorptions using a significance level of 5%? Explanation

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.