A questionnaire was distributed at a large university to find out the level of student satisfaction with various activities and services. For example, concerning parking availability, students were asked to indicate their level of satisfaction on a scale from 1 (very dissatisfied) to 5 (very satisfied). Is a student’s response to this question numerical or categorical? If numerical, is it discrete or continuous? If categorical, give the level of measurement.

Q: Can no guarantee ensure that the best estimates will ever match the actual values?

A: An estimate is defined as the realization of the estimator of the unknown parameter. It gives the…

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A: Since we know that discrete variable : A variable which takes particular value , generally integral…

Q: f a data set has an even number of observations, the median   a. can not be determined   b. is the…

A: Median:   It is nothing but divides the observations into two equal parts and represents the middle…

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A:

Q: A relationship expert wants to know if people with higher levels of emotional intelligence (measured…

A: a. Scatterplot: The scatter plot can be obtained using EXCEL software. Enter the variable X in…

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A: They want to make switched that last longer than previous.

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A: The provided information is  n=25x¯=120σ=30µ=100 here the parameters are known then we use…

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A: 1) The number of hours in the operating room is a continuous variable and the number of hours on a…

Q: The sum of deviations (of actual observations) around the mean are always equal to zero TRUE OR…

A:

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A: The regression analysis is conducted here by using EXCEL. The software procedure is given…

Q: Determine whether the data are discrete or continuous.   Number of phone calls received during one…

A: Here the variable is : "Number of phone calls received during one day at a poison control center"

Q: A quantitative data set of size 100 has mean 40 and standard deviation 3. At least how many…

A:

Q: at a company, the data set containing the ages of aplicants for a particular job was normally…

A: The mean is 30 years and the standard deviation is 3.5 years.

Q: Can a variable that is measured at the ordinal level be grouped into a small number of intervals in…

A: Introduction:A grouped frequency distribution can be constructed from a raw data, by finding the…

Q: According to the Empirical Rule, the percentage of observations in a data set (providing that the…

A: In statistics, the empirical rule says that for normal distribution, 68%, 95%, and 99.7% of the…

Q: The number of times a toggle switch made by the Acme company can be switched between the on and off…

A: Correct answer is (C)

Q: Determine and explain why the following is discrete or continuous variable 1. income of a teacher…

A: A variable can be discrete or continous. Discrete variable are countably finite and it will be…

Q: % of the values in a data set lie at or below the 62th percentile. of them would be at or below the…

A: Generally percentile defines the percentage of a data set that is below or at a value that is being…

Q: A government's department of transportation requires tire manufacturers to provide performance…

A:

Q: I do not understand how to Label and interpret the appropriate measure(s) of central tendency

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Q: In a study, the number of students enrolled in an online section of Elementary Statistics was…

A: We have to identify type of variable.

Q: ng no walking device, a standard walker, and a rolling walker. In addition, the cadence was measured…

A: When a treatment is applied to a group and results are obtained after the treatment, the method is…

Q: The central limit theorem is vital in statistics for two main reasons—the normality assumption and…

A: The central limit theorem states that the sampling distribution of any distribution, if you do it so…

Q: The . distribution might be used if one cannot guess much about the process to involve in a…

A: If we know only the minimum and maximum values of the data then the most useful distribution for the…

Q: the temperature of a coffee cup is 185.3 degrees, is it a discrete or a continuos data set?

A: first we understooddefination of Discrete random variable→discrete random variable has a countable…

Q: The midpoint of any set of observed values is

A: To define the midpoint of the data set.

Q: When do we use a mean and SD to define a continuous variable distribution?

A: Given information: For a continuous variable distribution with specified mean and standard…

Q: The company believes that any score above 125 is acceptable. Calculate point estimates for the…

A: The given data is, Female Male 74 74 83 82 95 102 96 104 104 107 107 109 112 111…

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Q: A state wildlife service wants to estimate the mean number of days that each licensed hunter…

A: Given, Margin of error, E = 2 Standard deviation, σ = 10 Significance Level, α = 0.05

Q: Temperature (oC)(oC) 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Percent heat loss from beak 33…

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Q: For any set of data, the sum of the deviation scores will always be Equal to zero O Cannot be…

A: The sum of the deviations from the mean is zero. This will always be the case as it is a property of…

Q: A certain data set has a mean of 60 and a standard deviation of 12. Given that the data set has 120…

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Q: A sample of thirty-five 14-year old adolescents, with antisocial tendencies have scores on the…

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Q: The statistical procedure that calculates a linear relationship between two interval/ratio variables…

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Q: Assume that you have a large set of data that ranges from a low score of 209 to a high score of 283.…

A: 15. The best width of class interval is, Width=High score-Low scoreNumber of…

Q: The midpoint of any set of observed values Is

A: to find the midpoint of any set

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A: There are four levels of measurement: Nominal Scale -   Categorical data and numbers that are used…

Q: We have presented a “data scenario.” In each case, decide which type of grouping (single-value,…

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Q: Dr.Blume has trained observers to use frequency recording to record the behavior of 12 schizophrenic…

A: K = 0.47

Q: A government's department of transportation requires tire manufacturers to provide performance…

A: Given Xbar=195.6 Standard deviation (s)=21.4 Sample size n=18 Assume Alpha=0.01

Q: two fifth grade classes have nearly identical mean scores on an aptitude test, but one class has a…

A: It is given that two fifth grade classes have nearly identical mean scores on an aptitude test, and…

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to…

A: The regression analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: A researcher gives a depression scale to 300 people now, 6 weeks later, and 6 months later. She…

A: The depression scale is reliable because it is giving the same mean 6 weeks later and 6 months…

Q: Each year, a Freshman English teacher surveys her incoming students about their stress level on…

A: Given information:   Frequency Percent Valid Percent Cumulative Percent Valid 1.00 16 10…

Q: The most widely used measure of variability for a continuous variable is called the standard…

A:

Q: If a data set has an even number of observations, the median Select one: O A must be equal to the…

A: Mean also called average of a dataset is computed by dividing the sum of observations by total…