Instruction Instruction Answer All The Questions With The Key Word Or Words In Part A A Perfect Answer To Each Questi 1 (43.65 KiB) Viewed 53 times
Instruction Instruction Answer All The Questions With The Key Word Or Words In Part A A Perfect Answer To Each Questi 2 (35.33 KiB) Viewed 53 times
Instruction: Instruction: Answer all the questions with the key word or words in Part A. A perfect answer to each question in part A is worth 2 percentage points (20 percentage points) for the 10 questions. Solve the Problems in Parts B and C and answer the questions following each. Each perfect solution to B and C parts is 40 percentage points (80 percentage points). The least percentage points from all the parts is 100. Part A 1) What is the idea behind frequency distribution? 2) Which is the common sampling method? 3) What is the measure of central tendency called? 4) What observation basically describes a sample size? 5) What is the measure of dispersion from a mean called? 6) Sample mean or the population mean: which varies the most? 7) Sample mean or individual observation: which varies the most? 8) What is the benefit of increasing the sample size? 9) Numerically characterize a Standard Normal Distribution 10) What is the very important characteristic of t-distribution?
Part B 2) With the following randomly selected observations: a) Determine the Regression Equation. b) Determine the value of Y hat when X is 7 X 5 3 6 3 4 4 6 8 Part C X 5 3 2) From the following randomly selected observations: a) Determine the Pearson Coefficient of Correlation, r. b) Interpret the association between X and Y. c) Estimate the Coefficient of Determination, R². 6 3 4 4 Y 13 15 7 12 13 11 9 5 6 8 XY X-X (X-X)2² Y 13 15 7 12 13 11 9 5 (Y-y) (Y-y)² (X-x)(Y-y)
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