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STA 1013 | Statistics through Example
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Empirical Rule Draw an appropriately labeled density curve showing what the Empirical rule predicts from the previous example. Empirical Rule- Unusual Values Unusual values (outliers) are values that lie more than 3 standard deviations away from the
Statistics Through Example STA 1013 Lexi René, MSPH Review/ Segway Quick Look at Empirical Density Quick Look at Density Curves We know that under the curve lies 100% of the data. Which means that the areas not shaded account for (100%-95%=) 5% of th
Statistics Through Example STA 1013 Lexi René, MSPH Practice- Answers Decimal to Percent 1. 0.03 = . 2. 0.85 = . 3. 0.007 = . 4. 1.34 = . Percent to Decimal 1. 30% = . 2. 2.5% = . 3. 150% = . 4. 0.1% = . Review Color of Gummy Bears Describe this data
Mode The value or values that have the highest frequency. A. 1,2,2,3,3,3,4,5,6 B. 1,2,2,3,3,4,5,6 C. 1,2,3,4,5,6,7 Median The middle value of the data. ● Half the data will be less than or equal to the median, and half the data will be greater than o
Interpretation Z-score Z = -0.72 Interpretation Since the z-score is negative, the data value of 67 inches is located 0.72 standard deviations below the mean of 69.1 inches. Z-Table to Density Curve p = 0.2358 The area under the curve is 0.2358. Data