Exam 8: Statistical Functions

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This is the top three lines in a list of 8200 records.You want an average of the number of speeding tickets for Red Toyota Priuses.Which is the correct formula? This is the top three lines in a list of 8200 records.You want an average of the number of speeding tickets for Red Toyota Priuses.Which is the correct formula?

(Multiple Choice)
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Which function returns the rank of a value within a dataset,assigning an average rank for tied values?

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A(n)________ is a visual display of tabulated frequencies.

(Short Answer)
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The PERCENTRANK.INC function displays a value's rank as a percentile of a range,including 0% and 100%.

(True/False)
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A(n)________ is a visual depiction of a population distribution created by the Analysis ToolPak.

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The ________ function returns a value's rank as a percent between 0% and 100%.

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Sort data in ________ order before beginning a forecast analysis.

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Match each of the following concepts to its best description:
VARPA
Variance of a population including logical values and text
CORREL
Data ranges in which data can be categorized
FREQUENCY
Helps determine the strength of a relationship between two values
Correct Answer:
Verified
Premises:
Responses:
VARPA
Variance of a population including logical values and text
CORREL
Data ranges in which data can be categorized
FREQUENCY
Helps determine the strength of a relationship between two values
BINS
Determines the number of occurrences of a value in a dataset
STDEVPA
Standard deviation of a population containing logical values and text
(Matching)
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Match each of the following functions to its best description of its purpose:
COUNTIF
Calculates the number of cells in a range when a specified condition is met
SUMIFS
Calculates the total of a range of values when a specified condition is met
AVERAGEIF
Calculates the average:or arithmetic mean:of all cells in a range that meet a specific condition
Correct Answer:
Verified
Premises:
Responses:
COUNTIF
Calculates the number of cells in a range when a specified condition is met
SUMIFS
Calculates the total of a range of values when a specified condition is met
AVERAGEIF
Calculates the average:or arithmetic mean:of all cells in a range that meet a specific condition
COUNTIFS
Returns the number of cells in a range that meet multiple criteria
SUMIF
Calculates the total value of cells in a range that meet multiple criteria
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A quartile is a value used to divide a range into five equal groups.

(True/False)
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Which of the following represents the number of data points in a sample minus one?

(Multiple Choice)
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The ________ function is best suited to calculate quartiles including quartiles 0 and 4.

(Short Answer)
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The arguments for COUNTIFS,SUMIFS,AVERAGEIFS are Range and Criteria.

(True/False)
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________ is the measure of how far the data sample spreads from the mean.

(Short Answer)
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________ is a measure of a dataset's dispersion or the difference between the highest and lowest values.

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Which of the following functions determines the standard deviation of a sample?

(Multiple Choice)
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What would be the result of this formula: =AVERAGEIF(A2: A64,"Green",C2: C64)?

(Multiple Choice)
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What is the common name for the square root of the variance?

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Which of the following values would demonstrate the strongest positive relationship while using the CORREL function?

(Multiple Choice)
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________ is a statistical hypothesis test that helps determine if samples of data were taken from the same population.

(Short Answer)
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