1 pointThe distribution Coefficient (Kd) value of X, Y and Z are 1, 5 and 10 respectively. A mixture of an equal amount of X, Y and Z was injected to a column. The order of their elution is

The median and mode of the following distribution of 230 workers are known to be 33.5 and 34 respectively.Find X, Y and Z. Wages Number of workers 0-10 4 10-20 16 20-30 X 30-40 Y 40-50 Z 50-60 6 60-70 4

A discrete random variable X has this probability distribution.a) Complete the table (10 pts)Compute:b) 𝜇 = 𝐸(𝑋) = ∑[𝑥𝑃(𝑥)] = ___________________ (2 points)c) 𝑉𝑎𝑟(𝑋) = ∑[(𝑥 − 𝜇)2𝑃(𝑥)] = ___________________ (2 points)d) Standard deviation. ___________________ (1 points)Note: Answers from b – d, round off to 2 decimal places. For the table take all decimal places.𝑥 0 1 2 3 4𝑃(𝑥) 0.12 0.25 0.18 0.35 0.10𝑥𝑃(𝑥)𝑥 − 𝜇(𝑥 − 𝜇)2(𝑥 − 𝜇)2𝑃(𝑥)

n a positive correlation, the distribution of data points will: move from upper left to lower right move from lower left to upper right move from right to left parallel with the x-axis form a circle

One data point is (425,10)(425,10).What does this ordered pair represent?

The following histogram represents the distribution of scores on a ten point quiz.Step 2 of 3 :  What is the frequency corresponding to a score of 00?Quiz ScoresScore