The following data represents the IQ scores of 11 randomly s…

The following data represents the IQ scores of 11 randomly selected Americans. 85   86   92   98   101   101   103   106   107   132   139 (Round to 3 decimal places as needed)   a. Calculate the mean [a] b. Calculate the variance [b] c. Provide the 5-number summary (put your values in order from least to greatest)  [c]   [d]   [e]   [f]   [g] e. Calculate the IQR [h] f. Calculate the lower fence [i] g. Calculate the upper fence [j] h. List any outliers (leave blank if no outliers; if there are multiple, separate them with commas) [k]

Consider the following joint probability mass function of X…

Consider the following joint probability mass function of X and Y.                                         Y 70 90                 X 55 0.19 0.48 85 0.22 0.11 h(Y) [a] [b]   a. Fill in the h(Y) (marginal distribution of Y) row above b. Calculate

The following data represents the IQ scores of 11 randomly s…

The following data represents the IQ scores of 11 randomly selected Americans. 67   91   98   101   102   104   106   108   111   112   134 (Round to 3 decimal places as needed)   a. Calculate the mean [a] b. Calculate the variance [b] c. Provide the 5-number summary (put your values in order from least to greatest)  [c]   [d]   [e]   [f]   [g] e. Calculate the IQR [h] f. Calculate the lower fence [i] g. Calculate the upper fence [j] h. List any outliers (leave blank if no outliers; if there are multiple, separate them with commas) [k]

Let X = the number of pets owned by American households.  …

Let X = the number of pets owned by American households.   x 0 1 2 3 P(X = x) 0.16 0.35 [a] 0.08 P(X ≤ x) [e] [f] [g] [h]   a. Fill in P(X = 2) above. b. Fill in P(X ≤ x) (the CDF) above. c. Find the probability that the number of pets owned by American households is less than 2 [c] d. Calculate the expected number of pets owned by American households (aka calculate the mean) [d]

Let X = the number of pets owned by American households.  …

Let X = the number of pets owned by American households.   x 0 1 2 3 P(X = x) [a] 0.43 0.28 0.14 P(X ≤ x) [e] [f] [g] [h]   a. Fill in P(X = 0) above. b. Fill in P(X ≤ x) (the CDF) above. c. Find the probability that the number of pets owned by American households is greater than 1 [c] d. Calculate the expected number of pets owned by American households (aka calculate the mean) [d]