DAY 1
Quiz by BERNADETTE DUAZO
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- Q1
What is the total standard distribution of a bell curve?
2
0
It depends.
1
20s - Q2
The tails of the curve in the normal distribution can be extended but it will never touch the x-axis. What type of line is it called?
skewness
asymptotic
ouliers
parallel lines
20s - Q3
What is the z-score that has the area of 0.4641?
2.2
-1.8
-2.6
2.0
20s - Q4
What is the z-score that has the area of 0.4641?
2.2
-1.8
2.0
-2.6
20s - Q5
Given the illustration below, what is the area of the data?
0.4943
0.4493
0.4349
0.3944
20s - Q6
What will be the representation of z = -2.49?
20s - Q7
Can the z-score exceed 3.29?
Yes, but it is unusual.
Given the following data: z-score = 1.09,standard deviation = 22 and a sample of 80, what will be our mean?
Normal curve was created and expanded by Gauss.
Yes, always.
20s - Q8
The following statements are true except for?
Normal curve was created and expanded by Gauss.
The computed value in standard normal distribution is called z-score.
20s - Q9
Given the following data: z-score = 1.09, standard deviation = 22, and a sample of 80, what will be our mean?
103.98
56.02
65.20
89.04
300s - Q10
Students recently took National AchievementTest. The scores of a group of students have an expected value of 72 and a standard deviation of 7. What percentage of students got 60?
44.63%
40.82%
54.63%
45.64%
300s - Q11
The scores of students from Grade 9-Mapagmahal have a variance of 20 and a sample score of 11. With the help of the information mentioned, what will be the average score of the students if we have a z-score of 2.46?
65.0
53.3
58.8
60.2
300s - Q12
Sawa Na Co. conducted their yearly check-up last Monday. The result of the check-up said that the average weight of their employees is 68 kg. It was also found out that the variance of the data is 12. What will be the z-score if a sample of 50 kg was drawn?
-1.5
1.5
-3.8
3.8
300s - Q13
For numbers 12-13. Sawa Na Co. conducted their yearly check-up last Monday. The result of the check-up said that the average weight of their employees is 68 kg. It was also found out that the variance of the data is 12.
What will be z-score and area if the average weight was 64 kg and the sample weight is 67 kg?
1.08; 0.3529
-0.75; 0.2734
0.25; 0.0987
0.13; 0.0517
300s - Q14
The time taken to assemble a Gundam figure is a random variable having a normal distribution of 45 minutes and a standard deviation of 20 minutes.
What is the probability that a Gundam figure will be assembled in just 36 minutes?
24.22%
13.68%
17.36%
15.54%
300s - Q15
The time taken to assemble a Gundam figure is a random variable having a normal distribution of 45 minutes and a standard deviation of 20 minutes.
What is the probability that a Gundam figure will be assembled in just 36 minutes?
5.96%
13.68%
9.87%
6.36%
300s
