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1. MATCH Answer:
normal
continuous
discrete
binomial Answer: normal = discrete, binomial = continuous.
2. median formula (odd) Answer: n+1/2
3. median formula (even) Answer: (n/2)+ (n/2 +1)/2
4. sum of the deviations around the mean Answer: always equals zero
5. SSQ Answer: Σ(x-xbar)^2
6. if mean>median, the data is (L/R) skewed? Answer: right
7. if mean<median, the data is (L/R) skewed? Answer: left
8. if mean=median, the data is (L/R) skewed? Answer: symmetric
9. INTERPRET THIS DATA Answer: x= 5, xbar = 20, SD = 4, Z = -3.75 Answer: 5
is 3.75 SD's below the mean.
10. ****STEP BY STEP Answer: 2x-10 (SCALED AND SHIFTED!)
xbar = 31, s^2= 25, s = 5, iqr = 10.
5NS Answer: 13, 25, 30, 35, 48 Answer: 1 Answer: determine mean by inputting xbar into the
of equation. 2(31)-10 = 52.
2. determine new variance by doing 2^2(25) = 100.
3. determine range by doing 2(35) = 70
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