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MATH 1342 Lab 3 F11

# MATH 1342 Lab 3 F11 - Calculate the Z-score for the minimum...

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MATH1342 LAB (PROJECT) 3 NAME: ________________ Collin County College Fall 2011 Instructor: Daryl Rupp DUE DATE 9/20/11 Part I. Measures of Central Dependency and Spread: (50 points) The following are the scores from the samples from the 4 First Period classes AND 4 Second Period classes. Both sets have been ordered for you. FIRST PERIOD CLASSES: SECOND PERIOD CLASSES: First describe the Calculator Keystrokes used to find the values in the chart below: Fill in the values in the chart below using the calculator whenever possible. Round values to the nearest 0.1. Note these are samples . Also write in the missing symbol where applicable, STATISTIC SYMBOL 1 st Period 2 nd Period MEAN MEDIAN N/A MODE N/A MAXIMUM N/A MINIMUM N/A RANGE N/A STD. DEV. VARIANCE 71 82 86 91 96 100 76 82 87 91 96 77 82 90 91 96 80 83 90 93 98 81 85 91 93 98 59 81 91 94 95 97 63 84 92 94 96 71 90 92 95 96 73 91 93 95 96 79 91 93 95 97

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Part II. Measures of Position: (20 points) Write the formula for Z-Score:
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Unformatted text preview: Calculate the Z-score for the minimum and maximum values from the tables above. Round all z-scores to nearest 0.01. Z-SCORE FOR 1 st Period 2 nd Period MINIMUM MAXIMUM Part III. Five Number Summary and Box Plot: (30 points) Fill in the values in the chart below using the calculator whenever possible. Round values to the nearest 0.1. On the scale below, draw a box-whisker plots for each period: Spring NUMBER 1 st Period 2 nd Period MINIMUM Q1 MEDIAN Q3 MAXIMUM IQR lower “fence” value (Q1 - 1.5 * IQR): upper “fence” value (Q3 + 1.5 * IQR): Are There Any Unusual Values Summer !____________!____________!____________!___________!___________!___________!________| 65 70 75 80 85 90 95 100 Which period’s classes did the best from the appearance of the data? ________________....
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MATH 1342 Lab 3 F11 - Calculate the Z-score for the minimum...

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