BAN 280-800 Quizes 1, 3, 6-10 Complete Questions And Answers Success Guaranteed.
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Course
BAN 280
Institution
BAN 280
In statistical analysis, inferential statistics is used to - correct answer only 1 and 2 are correct
1. analyze and infer from data obtained from a sample
2. make conclusions about a large set of data (population) from a smaller portion (sample) collected fr...
In statistical analysis, inferential statistics is used to - correct answer only 1 and 2
are correct
1. analyze and infer from data obtained from a sample
2. make conclusions about a large set of data (population) from a smaller portion (sample) collected
from it.
A ___________ is computed from a sample and is used to estimate a population parameter. - correct
answer statistic
An example of a sample statistic is - correct answer Both the sample mean, X bar ,
and the sample standard deviation, sx
From the following, identify the example of a continuous variable. - correct answer
the temperature of the sand at the beach each day.
Ordinary arithmetic operations are meaningful - correct answer only with
quantitative data
__________ data is always numerical. The distances between the consecutive values of the interval
scale does have meaning but there is no absolute zero point. - correct answer Ratio
Data
Which of the following situations is an example of a qualitative variable? - correct answer
a yes or no answer to a question
When you collect data for your own analysis you are using - correct answer Primary
Data
, When your data is NOT a sequence of observations that taken in an orderly fashion with respect to time
you are using - correct answer cross sectional data
The symbol for the population Mean is _______. - correct answer the small Greek
letter mu, μ
The mean (called the "average" in excel) is the most widely used measure of central tendency (computer
by summing the numbers in the data set and then dividing by the number of numbers) and is robust of
outliers in the data set. - correct answer False
What is the standard deviation of the Spring sample data set?
Spring
500
560
556
600
530
500 - correct answer 38.8587
What is the mean of the Spring sample data set? - correct answer 541
What is the mode of the Spring sample data set? - correct answer 500
Suppose you have two data sets. The first data set has a mean of 100 and a standard deviation of 10.
The second data set has a mean of 500 and a standard deviation of 75. Which data set is MORE relatively
dispersed according the to coefficient of variation? - correct answer The second
data set is more relatively dispersed.
Examine the smallest and largest data values in the sample data set below. List any data values you
believe should not be in the data set (values you believe to be outliers that are too small or too large).
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