Test 1 Spr08 given

# Test 1 Spr08 given - 1 Test 1 Math 1107-Spring 2008 The...

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1 Test 1 Math 1107—Spring 2008 The following graphs and data screens are from our heart rate data that we collected in class; This is the plot for the 9:30 a.m. heart rates. It is the histogram when Zoom 9 is used. We are going to call this skewed and answer the rest of the questions about 9:30 a.m. accordingly. Use x = 72.94 and s = 9.07 for the calculations. This is the plot for the 11 am heart rates. It matches the stem and leaf plot on Day 3 p.4. We are going to call this relatively symmetric and answer the rest of the questions about 11 a.m. accordingly. Use x = 70.71 and s = 8.25 for the calculations. 1. Give the center for each data set and interpret the measure: 2. Give the spread for each data set and interpret the measures for each. Show the calculations for the IQR if that is what you choose. 3. (a) Using a z-score for each data set, tell me if a heart rate of 66 bpm more likely to happen in the 9:30 a.m. class or in the 11 a.m. class? Make the conclusion in a sentence. Show your calculations. Remember to use the rounded numbers (under the TI screens) for

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Test 1 Spr08 given - 1 Test 1 Math 1107-Spring 2008 The...

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