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複選題1. Which of the following is/are included in the field of statistics? (A) Collecting data；(B) Analyzing data； (C) Presenting data； (D) Interpreting data； (E) None of above.

複選題2. Which of the following descriptions is/are INCORRECT? (A) "Phone number" is a nominal variable； (B) "Temperature in Celsius" is a ratio variable； (C) "Cancer stage" is an interval variable； (D) "Height in centimeter" is a discrete variable； (E) "Age group" is a categorical variable.

複選題3. Which of the following is/are NOT used to measure central location? (A) Arithmetic mean； (B) Interquartile range； (C) Mode； (D) Standard deviation； (E) Midrange.

複選題4. Which of the following is/are correct? (A) A "scatterplot" is good for obtaining the potential association between two numerical variables； (B) Unlike "bar graph", a "histogram" has no natural separation between rectangles of adjacent classes； (C) A "pie chart" is good for comparing the means of a numerical variable between two independent groups； (D) In a "Box-plot", the line drawn in the box indicates the location of the mean； (E) "100% stacked area chart" can be used to compare the change in distribution of a categorical variable over a period of time.

複選題5. Iftwo events X and Y are independent, which of the following conditions is/are satisfied? (A) P(Y|X)=P(Y)；(B) P(Y|X)=P(X)； (C) -P( A )+P( B )； (D) =P( A )●P( B  )；(E) None of above.

複選題6. Assume the following conditions in Taiwan: 10% of undergraduate students study abroad as part of their education. 60% of the undergraduate students who study abroad are female and 50% of the undergraduate students who do not study abroad are female. Which of the following is/are correct: (A) Given a female undergraduate student, the probability that she studies abroad is 11.76%； (B) The overall percentage of female undergraduate students is 51%； (C) The overall percentage of male undergraduate students is 50%； (D) Given a male undergraduate student, the probability that he studies abroad is 4%；(E) Given the undergraduate students who study abroad, the probability of male is 8.16%.

複選題7. Which of the following belongs to continuous probability distributions? (A) Normal probability distribution； (B) Poisson probability distribution； (C) Binomial probability distribution； (D) Exponential probability distribution； (E) Chi-square probability distribution.

複選題8. Let P[Y=x] indicate the probability of a sum of x when rolling three dice. Which of the following is/are correct? (A) P[Y=18]=1/2163 (B) P[Y=17=3/216； (C) PY=1]=1/216； (D) P[Y=3]=3/216； (E) PY＜5]=4/216.

複選題9. Cars arrive at a car wash service randomly and independently. The probability of an arrival is the same for any interval of equal length. The mean arrival rate is 4 cars per 10 minutes. Which of the following is/are correct? (A) The probability that less than 2 cars will arrive during any given 10 minutes of operation is 0.0916；(B) The probability that 5 or more cars will arrive during any given 10 minutes of operation is 0.7815； (C) The probability that more than 6 cars will arrive during any given 10 minutes of operation is 0.1107； (D) The probability that exact 9 cars will arrive during any given 10 minutes of operation is 0.0550； (E) The variance of the arrival rate per 10 minutes is 4.

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