Q3 - Statistics and Probability - Long Test

Quiz by Kimberly Mae Isaac

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50 questions
• Q1
What do you call the set of all people, objects, events, or ideas you want to investigate?
Sample
Statistic
Data
Population
30s
• Q2
Which of the following symbols denotes sample standard deviation?
σ
µ
s
30s
• Q3
Which of the following symbols denotes population mean?
s
σ
µ
30s
• Q4
Which of the given choices is the best point estimate of the population mean?
Range
Mode
Mean
Median
30s
• Q5
It is also called as “Positional Average”
Median
Mean
Range
Mode
30s
• Q6
It is also called as “Nominal Average”
Median
Mode
Range
Mean
30s
• Q7
The descriptive measures computed from a population are called
sampling
parameters
hypothesis testing
statistic
30s
• Q8
In sampling distribution of sample means, the means of the samples are less or greater than the mean of the population. What is the difference between sample mean and population mean called?
Standard Error of the Mean
Sampling Error
Permutation
Margin of Error
30s
• Q9
How many possible of size n=3 can be drawn from a population of size 12
1728
36
220
144
30s
• Q10
Which sample size will give a smaller standard error of the mean?
35
20
25
12
30s
• Q11
“As the sample size n increases, the shape of the distribution of the sample means taken with replacement from a population with mean µ and the standard deviation σ will approach a normal distribution” - This statement is better known as
The Bayes' Theorem
The t-distribution
The z-distribution
The Central Limit Theorem
30s
• Q12
This consists of means derived from all possible random samples of specific size obtained from a population.
Sampling distribution of sample means
Sampling distribution of sample standard deviations
Sampling distribution of sample variances
Sampling distribution of samples
30s
• Q13
What is the chance of an event happening called?
Probability
Parameter
Outcome
Sample Space
30s
• Q14
Which of the following explains why the table below is not a probability distribution?
The probability cannot assume values
The sum of the probabilities must be equal to 1
The probability cannot assume values that are less than 0
The random variable must be a real number
30s
• Q15
Which of the following is NOT an example of discrete random variable?
The average amount of electricity consumed per household per month
The number of dropouts in a school district for a period of 10 years
The number of female athletes
The number of defective computers produced by a manufacturer
30s

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