SUMMATIVE TEST 1 STATISTICS_Q3
Quiz by jeneth Sobrevega
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- Q1
Which of the following is an example of Continuous Variable?
Goldilocks bought 50 bags of flour
Number of students in San Juan NHS
The normal level of Magat Dam is 180 meters
Johann bought 20 cans of cooking oil
30s - Q2
If two coins are tossed, which is not a possible value of the random variable for the number of heads?
0
3
2
1
30s - Q3
What is the probability that a filipino takes a bath 3 times a day? please see the photo for reference.
0.25
0.1
0.33
0.75
30s - Q4
It is a numerical quantity that is assigned to the outcome of an experiment.
Probability Distribution
Probability
Random Variable
Variable
30s - Q5
It is the central or average of its corresponding probability mass function.
Standard Deviation
Probability
Variance
Mean
30s - Q6
What are two values that describe how scattered or spread out the scores are from the mean value of the random variable?
mean and probability distribution
probability and statistics
probability and statistics
variance and standard deviation
30s - Q7
The random variable X, representing the number of nuts in a chocolate bar has the following probability distribution. What is the mean?
1.7
1.3
1.5
1.9
30s - Q8
The probabilities that a printer produces 0,1,2, and 3 misprints are 42%, 28%, 18%, and 12% respectively. What is the mean value of the random variable?
2
3
4
1
30s - Q9
What is the standard deviation?
Standard Deviation = 3.24
Standard Deviation = 2.24
Standard Deviation = 3.24
Standard Deviation = 3.24
30s - Q10
What is the Variance
.Variance = 5
Variance = 4
Variance = 4
Variance = 4
30s
