Assessment for Day 1, Day 2, Day 3. In order to compare the data, you have to find all the values first! MEAN Add up the 5 numbers and divide by 5. MEDIAN.

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Presentation transcript:

Assessment for Day 1, Day 2, Day 3

In order to compare the data, you have to find all the values first! MEAN Add up the 5 numbers and divide by 5. MEDIAN Place the numbers in order and find the middle number. MODE The number that shows up the most often. RANGE The difference between the biggest number and the smallest number =35 35 / 5 = 7 So, MEAN = 7 The numbers are already in order. 3,6,6,9,11 The # in the middle is 6. So, MEDIAN = 6 The number that shows up the most is 6. So, MODE = 6 Subtract the smallest # from the biggest # = 8 So, RANGE = 8 Choice “A” 7 > 8 NO!! Choice “B” 6 > 7 NO!! Choice “C” 6 = 7 NO!! Choice “D” 7 > 6 YES!!

Step 1: Rewrite the table. “Day” is the x-values and “Bacteria” the y-values. What pattern do you find in the DAY column? Correct! Bacteria increases by almost 4 times every day! Bacteria data is collected every day! What pattern do you find in the BACTERIA column? Now follow the pattern until you get to the 6 th day. To PREDICT means to ESTIMATE. I know….. 16 * 4 is NOT 62 and 62 * 4 is NOT 250. We are estimating, remember? So, you can predict that on the 6 th day, 4000 bacteria will be present. Choice C is the correct answer!

Which one of these answers is equal to the problem? Strategy: Think about your FAVORITE number. (DO NOT USE 0 OR 1) You are going to substitute your favorite number in place of all the Xs that you see in the problem and the answer choices. My favorite number is 5. This is the number that I will substitute in place of X. PROBLEM 3(X+2)-4(X-3) 3(5+2)-4(5-3) 3(7) - 4(2) = 13 Choice “A” 7X *X * = 53 Choice “B” 7X - 6 7* = 29 Choice “C” -X * = 13 Choice “D” -X * = -11 = 13 = 53 = 29 = -11 **Choice “C” matches!! Even though C is the answer, Always check all of the answers to make sure you are 100% right.**

Which one of these answers is equal to the problem? Strategy: Think about your FAVORITE number. (DO NOT USE 0 OR 1) You are going to substitute your favorite number in place of all the Xs that you see in the problem and the answer choices. My favorite number is 5. This is the number that I will substitute in place of X. PROBLEM 3m + 4 – 7 m - 2 3(5)+4 - 7(5 ) – – = - 18 Choice “A” -4m *m * = -14 Choice “B” -4m *m * = -18 Choice “C” 10m *m * = 56 Choice “D” 10m *m * = 52 = -18 = -14 = -18 = 56 = 52 **Choice “B” matches!! Even though B is the answer, Always check all of the answers to make sure you are 100% right.**

He has $25 out of the $120 that he needs. 25out of 120 that means that you divide 25 by 120. Do any of the answers match ? You get 20.83% and the closest answer is “B”. 25 / 120 = NO!! Move the decimal 2 spaces to the right!