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week2lab

# week2lab - Math 221 Week 2 Lab Kamall Damrah Part 1 Random...

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Math 221 Week 2 Lab Kamall Damrah Part 1. Random Sampling Ordered Sample 1 AA 6 AE 12 AK 15 AN 17 AP 22 AU 25 AX 28 BA 29 BB 34 BG 40 BM 44 BQ 47 BT 55 CB 58 CE 64 CK 70 CQ 73 CT 74 CU 75 CV

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Part 2. Cereal and Fiber Type Fiber Type Bar Chart Fibre Type Bar Chart 0 10 20 30 40 High Fiber Medium Fiber Low Fiber Frequency Frequency Fiber Type Pie Chart Fibre Type Pie Chart 26% 35% 39% High Fiber Medium Fiber Low Fiber Part 3. Milk Production 1. Find the sample mean. 2270.54 2. Find the sample standard deviation. 653.1822 3. Make a frequency distribution for the data. Distribution is started at right. Cumulative Class Limits Frequency Midpoint Frequency 1147 1646 7 1396.5 7
1647 2146 15 1896.5 22 2147 2646 13 2396.5 35 2647 3146 11 2896.5 46 3147 4 3396.5 50 4. Create a histogram for the data. Does the data appear bell-shaped? Histogram 0 5 10 15 20 Frequency Frequency Yes, the data appears to be bell shaped. 5. What true percent of the data lies within one standard deviations of the mean? Within two standard deviations of the mean? How do these results agree with the Empirical Rule?

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week2lab - Math 221 Week 2 Lab Kamall Damrah Part 1 Random...

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