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Author Question: The following is the frequency distribution for a set of data. What is the set's mode? X f 5 1 4 0 3 ... (Read 62 times)

newyorker26

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on: Jul 8, 2018
The following is the frequency distribution for a set of data. What is the set's mode? X f 5 1 4 0 3 2 2 3 1 1
 
  a. 5
  b. 4
  c. 3
  d. 1

Question 2

A data set shows that the mean, median, and mode are the same. This means which of the following? (Select all that apply.)
 
  a. The distribution is bimodal.
  b. The data are normally distributed.
  c. The variables are dichotomous.
  d. All data points are identical.
  e. The kurtosis is symmetrical.
  f. This may describe the normal curve.


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daiying98

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: C
The measures of central tendency are mode, median (MD), and mean ( ). The mode is the numerical value or score that occurs with the greatest frequency in a data set. It does not necessarily indicate the center of the data set.

Answer to Question 2

ANS: B, D, F
The theoretical normal curve is an expression of statistical theory. It is a theoretical frequency distribution of all possible scores. This theoretical normal curve is symmetrical and unimodal and has continuous values. The mean, median, and mode are equal. The distribution is completely defined by the mean and standard deviation. The data are normally distributed. If all data points are identical, their mean, median, and mode will be the same.


newyorker26

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Reply 2 on: Jul 8, 2018
Thanks for the timely response, appreciate it

gcook

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Reply 3 on: Yesterday
Wow, this really help

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