# Q3 - Statistics and Probability - Long Test

## Quiz by Kimberly Mae Isaac

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50 questions

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- Q1What do you call the set of all people, objects, events, or ideas you want to investigate?SampleStatisticDataPopulation30s
- Q2Which of the following symbols denotes sample standard deviation?σµx̄s30s
- Q3Which of the following symbols denotes population mean?sx̄σµ30s
- Q4Which of the given choices is the best point estimate of the population mean?RangeModeMeanMedian30s
- Q5It is also called as “Positional Average”MedianMeanRangeMode30s
- Q6It is also called as “Nominal Average”MedianModeRangeMean30s
- Q7The descriptive measures computed from a population are calledsamplingparametershypothesis testingstatistic30s
- Q8In 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 MeanSampling ErrorPermutationMargin of Error30s
- Q9How many possible of size n=3 can be drawn from a population of size 1217283622014430s
- Q10Which sample size will give a smaller standard error of the mean?3520251230s
- 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 asThe Bayes' TheoremThe t-distributionThe z-distributionThe Central Limit Theorem30s
- Q12This consists of means derived from all possible random samples of specific size obtained from a population.Sampling distribution of sample meansSampling distribution of sample standard deviationsSampling distribution of sample variancesSampling distribution of samples30s
- Q13What is the chance of an event happening called?ProbabilityParameterOutcomeSample Space30s
- Q14Which of the following explains why the table below is not a probability distribution?The probability cannot assume valuesThe sum of the probabilities must be equal to 1The probability cannot assume values that are less than 0The random variable must be a real number30s
- Q15Which of the following is NOT an example of discrete random variable?The average amount of electricity consumed per household per monthThe number of dropouts in a school district for a period of 10 yearsThe number of female athletesThe number of defective computers produced by a manufacturer30s