GECMATH Module 4 Lesson 2 Past Paper PDF
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Uploaded by BelovedTulip5185
BIT I-B
Mariel R.
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Summary
This document contains a module 4 lesson 2 worksheet on topics such as mean, median, mode, variance, standard deviation, and z-scores. It also contains questions and calculations.
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# OVGA-AY, MARIEL R. ## GECMATH ### MODULE 4 LESSON 2: ### EVALUATE: GAUGE YOUR LEARNINGS (NOS-1-5) 1. **Mean** = 139.9 / 17 ≈ 8.23 **Median** = 8.9 **Mode** = 8.9 **Range** = 9.1 - 7.0 = 2.1 **Variance** = 9.89 / 17 = 0.581 Standard **Deviation** = √ 0.581 = 0.76 2. **Mean**...
# OVGA-AY, MARIEL R. ## GECMATH ### MODULE 4 LESSON 2: ### EVALUATE: GAUGE YOUR LEARNINGS (NOS-1-5) 1. **Mean** = 139.9 / 17 ≈ 8.23 **Median** = 8.9 **Mode** = 8.9 **Range** = 9.1 - 7.0 = 2.1 **Variance** = 9.89 / 17 = 0.581 Standard **Deviation** = √ 0.581 = 0.76 2. **Mean** = 6630 / 100 = 66.3 **Median** = 75 **Mode** = 75 3. **Weights:** * Tests: 4 \* 15 * Term Paper: 20 * Final Exam: 20 **Alan's Score!** * Tests: 80,78,92,84 * Term Paper: 84 * Final Exam: 88 **Weighted Average** = ( 334 \* 0.15 ) + ( 84 \* 0.20 ) + ( 88 \* 0.20 ) = 50.1 + 16.8 + 17.6 = 84.5 **Alan's final course grade** 4. **P25** = 75 + 0.75 \* (85 - 75) = 82.5 **D5** = 95 **D9** = 110 + 0.9 \* ( 132 - 116 ) = 129.8 **D3** = 100 + 0.75 \* (100 - 100) = 100 5. **Find z-score** **For 214 mg/dL:** a) z = ( X - M ) / σ z = ( 214 - 182 ) / 44.2 = 32 / 44.2 = 0.72 b) z = -1.58 X = M + (z \* σ) X = 182 + ( -1.58 \* 44.2 ) X = 182 - 69.834 = 112.166 mg/dL
