For the following 10 questions, consider the dataset below collected from a samp

Question

For the following 10 questions, consider the dataset below collected from a sample of trainees: Test scores represent the number of test questions trainees answered correctly on the post- training survey. The scale of measurement for the Training variable above is... a. qualitative b. quantitative c. nominal d. ratio The best translation for the Training variable above would a. a bar chart b. a histogram c. a scatterplot d. a frequency polygon The scale of measurement for the Test Score variable above is... a. qualitative b. quantitative c. nominal d. ratio The best translation for the Test Score variable above would be... a. a histogram b. a bar chart c. a scatterplot d. a pie chart The best way to compare the Training variable and the Test Score variable would be... a. a bar chart b. a histogram c. a scatterplot d. a frequency polygon

Explanation / Answer

Here we have given that

Training : A A B B C

Test score : 12 9 6 10 30

Now

1.

Here ,

We know that

Qualitative variable contains categorical data like gender (m and F)

Here Training variable is categorized into A B and C

i.e Training variable is qualitative variable

here option ( a ) is correct.

2.

Here best translate for training variable is bar graphs

Because by using that we can find out what percentage of whole each category constitutes

i.e here option (a ) is correct

3.

We know that

Quantitative data contains the continuous data .

Here we have test score variable is numeric .

i.e it is quantitative data

option ( b ) is correct

4.

We know that test score variable is numeric

Here histogram is the best translation for this variable

Option (a ) is correct

5.

Now we want to compare

Training variable and Test score variable for that purpose scatter plot is more useful

Because it shows the relationship between two variables

Option ( c ) is correct.

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