U NO UN Wo si Bucude paper
a.
C.
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C.
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a.
C.
1. What is the corresponding area of z=2?
0.7724
b. 0.4772
C. 0.3413
d. 04313
2. What is the definition of percentile in relation to a normal curve?
A number or ratio expressed as a fraction of 100
b. It is descriptive measure of the relationship of a measurement to the rest of the data.
The measure of the mean, median and mode.
d Any value in the z-lable multiplied to 100%.
3. Why do we use Z-score?
To get the corresponding area of a given z-value.
b. To get the percentile of the given data.
To solve for the mean of the given set of data.
d. To calculate for the mean of the given distribution
4. What is a normal curve?
A parabolic curve in a graph representing data in a quadratic equation.
b. A graph of data skewed to the right to represent positive values,
A graph of data skewed to the left representing negative values.
d. A bell-shaped curve used to represent data from a distribution
5. Which of the following doesn't belong to the group?
The age of randomly selected students in SNHS.
b. The interest rates of a certain bank for each loan
Time required to perform a job.
d. Volume of soft drink in a 12-ounce can.
6. Which of the following doesn't belong to the group?
a. The Friday-night attendance in a cinema.
b. Number of patients a doctor sees in a day.
C. The number of defective light bulbs
d The distance between two persons
7. Identify whether the experiment involves a discrete or a continuous random variable.
Rotating a spinner that has 4 equally divided parts: blue, green, yellow, and red.
a Discrete Random Variable
b. Continuous Random Variable
8. Identify whether the experiment involves a discrete or a continuous random variable.
Collecting data about the mileage per liter of a cortalin brand and model of a car.
a. Discrete Random Variable
b. Continuous Random Variable
9. Identify whether the experiment involves a discrete or a continuous random variable.
Measuring the distance travelled by different cars using 1-liter of gasoline,
a Discrete Random Variable
b. Continuous Random Variable
10. If heights of 3rd graders follow a normal distribution with a mean of 52 inches and a standard deviation of 2.5 inches, what is the Z-
score of a 3rd grader who is 47 inches tall?
b. 2
-5
0.2
0.5
a.​