Example: bachelor of science

# FINDING RANGE, INTERQUARTILE RANGE, …

FINDING RANGE, INTERQUARTILE RANGE, VARIANCE, AND STANDARD deviation . WITH A TI-83 OR TI-84. DATA. Consider the following data: 15 20 25 25 27 28 30 34. Find range, INTERQUARTILE range, variance, and standard deviation . ENTERING DATA. Step 1. Press the key that reads: STAT. Step 2. Press the key that reads: ENTER. Step 3. Record your data on list 1 (L1). FINDING STANDARD deviation , RANGE AND INTERQUARTILE RANGE. Step 1. When you are done entering data, press STAT and go to CALC. Step 2. Highlight the first option, 1-Var Stats, and press ENTER. Step 3. Press 2ND and 1 (because we want to use list 1). Step 4. Press ENTER You should see something like this: We have the standard deviation , To find Q1 and Q3 we only need to scroll down (just press the key with an arrow pointing down), you should see something like this: Range = MAX min = 34 15 = 19.

FINDING STANDARD DEVIATION, RANGE AND INTERQUARTILE RANGE. Step 1. When you are done entering data, press STAT and go to CALC. Step 2. Highlight the first option, 1-Var Stats, and press ENTER.

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