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Grab your TI-84+ graphing calculator!
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girlfriend are coming to be a calculator guru! This is concealed Box #6!
before you begin: Be certain the calculator is set to default mode, as shown at the right. Struggle the MODE an essential and be certain all entries space highlighted on the left. If not, usage your arrow keys to relocate to the left and press enter to highlight, together you arrowhead down the screen. Now, answer the following 6 questions.

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Box 6 - Statistics and also Probability Skills: 1. Data: 24, 26, 28, 23, 25, 32, 28, 40 enter the data right into the calculator lists. Press , select #1, go into data into the an initial column, L1. Go to the home screen. To uncover the average of the data, press, , arrow right to MATH, choose #4,
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. I m sorry numbered an option is the typical of this data?
1) 24 2) 25 3) 27 4) 28

2. To find the variety of ways to arrange 5 objects the are chosen from a set of 7 different objects, a permutation is used,
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. To evaluate the permutation top top the calculator, press
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, arrowhead right to PRB, select #2,
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. I m sorry numbered selection is the answer to this problem?
1) 210 2) 840 3) 2520 4) 5040

For the following question, you have to clear L1. You have the right to hit the
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for every entry, or girlfriend can arrow up onto L1, press
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, and also arrow down. The list will certainly be north after you arrowhead down. You re welcome clear L1. Likewise turn "off" or "clear" any type of entries in
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See more: The Cosine Of An Angle Equals The Ratio Of The, Trigonometric Ratios

3. get in hours of study in L1: 6, 8, 10, 12, 9, 14, 16. Enter test scores in L2: 65, 78, 80, 94, 85, 95, 98.