Statistics question and answers for November 20, 2023
- Q Question 4 of 5 4 Find the second quartile of the data set 2 4 6 2 3 5 4 8 6 10 6 4 Answer
- Q 2 The population mean and population variance was found to be 7 and 1 6 respectively What is the z score of the raw data value of 4 in the...
- Q Question 9 of 10 9 A random sample of 380 individuals from a large population are categorized by two variables If the first variable has four different categories and the...
- Q The second quartile of a data set is also called the OP O median O midrange O second percentile
- Q Non sampling error is O error that occurs in the collection recording or tabulation of data O chance error OZ P O the difference between a sample survey result and...
- Q Data set 1 has a mean of 47 and standard deviation of 15 Data set 2 has a mean of 20 and a standar deviation of 12 Determine which standard...
- Q The percentile rank of a value gives the percentage of observations in a data set that are O more important than that value O equal to that value Osmaller than...
- Q The measure of dispersion used to compare the relative variability of two data sets of different units in O absolute mean deviation O coefficient of variation O correlation coefficient
- Q Find the indicated functional value for the ceiling function f 3 2
- Q in statistics a population is defined as O all people living in a country O people living in one city only O a selection of a limited number of elements...
- Q Sampling error is O error due to a sample not being representative of the target population O the difference between a parameter and a statistic due to a human mistake...
- Q A discrete variable is a variable that can assume O countable numbers only O categorical values only O any value over one or more intervals O non numerical values
- Q Which of the following symbols represents a parameter Og 08 Os OF
- Q O set of decisions made about the population O score collected from an element of the population O set of graphs and pictures O collection of observations on one or...
- Q Chebyshev s Theorem can be applied to O any distribution O skewed distributions only O bell shaped normal distributions only O symmetric distributions only
- Q A fact or numerical measure that is calculated using population data is called a O sampling error O statistic O standard deviation O parameter
- Q Which of the following is not a measure of center O standard deviation O mode O mean O median
- Q A quantitative variable is a variable that O is measured numerically O is measured using whole numbers only O is categorical in nature O contains only decimals and fractions
- Q The data below give the ages of a sample of 13 IRSC students Calculate the first second and third quarties of the data set Also determine the interquartile range The...
- Q If a distribution is right skewed then O the median will usually be greater than the mean O the median and mean will be approximately equal O the mean will...
- Q All of the following are examples of a discrete random variable except O car tire pressure psi O college class size O number of daily visitors at a theme park...
- Q The following table gives the frequency distribution of the opinions of a sample of people in regard to their support of a political candidate O 42 9 20 O 37...
- Q Which of the following symbols represents a sample statistic OF OP
- Q 81 81 97 82 49 O 79 07 81 What is the mean of this data set 076 34 O 74 55 What is the mode of this data set...
- Q The second quartile of a data set is also called the O median Omidrange OP O second percentile
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