Question: Given Data Values of Mean/Standard Deviation A B C Data Value (x) 140 140 140 Standard Deviation 5 2.041241 1.767767 Mean 144 144 144 Z-Score

Given Data Values of Mean/Standard Deviation A B C Data Value (x) 140 140 140 Standard Deviation 5 2.041241 1.767767 Mean 144 144 144 Z-Score -0.8 -1.95959 -2.26274 Left Probability 0.211855 0.025022 0.011826 Right Probability 0.788145 0.974978 0.988174 Explanation: As Rebecca received more tests to determine if she had gestational diabetes, the standard deviation was decreased. When sigma is decreased, the data values are closer to the mean of the data, this indicates that when the standard deviation is smaller, or more tests are completed, the test results become more reliable. The probability that her test was positive for diabetes, right probability, got higher as the test size increased

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