Quiz#1 Statistics and Probability

2.Which of the following is an example of a qualitative variable?

1.Which of the following is a measure of central tendency?

3.A data set has the following values: {3, 7, 9, 10, 12}. What Is the mean?

10. In probability, the sum of all possible outcomes of an event is always greater than 1.

4.What is the probability of rolling a 4 on a fair six-sided

9. In statistics, probability is used to measure the certainty of an outcome occurring.

6. A probability of 0.75 means that there is a 75% chance of an event occuring?

8.The probability of rolling an even number on a standard six-sided die is 1/3.

5.If a card is drawn from a deck of 52 cards, what is the probability of drawing a heart?

7.A correlation of -1 means that two variables are perfectly negatively correlated.