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Q3 - Statistics and Probability - Long Test

Quiz by Kimberly Mae Isaac

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50 questions
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  • 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?
    Question Image
    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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