Answer completely means say which charts go where there are
Answer completely, means say which charts go where, there are 2 sets of answers to this on this site which are incorrect, and then one is incomplete because it is a different question. For each of the types of data described below, would you present individual data values or grouped data when creating a frequency distribution and explain why? Then, state which visual display(s) of data would be most appropriate to use. Be sure to explain your answer clearly. a. Eye color observed for 87 people b. Minutes used on a cell phone by 240 teenagers c. Time to complete the Boston Marathon for the nearly 22,000 runners who participate d. Number of siblings for 64 college students Hint: A is not grouped, so if you copy the incorrect answers in here you will say it is.
Solution
A) Eye color observed for 87 people
Sol) Eye color is catergorical data.
Eye color may be bluee, yellow or black.
to compare categories (qualitative data, the independent variable is non-numerical) and grouped discrete quantitative data (scores on a test, amount spend by customers in a shop) we use bar charts
For this data we appropriate chart is bar chart. It gives how many are blue and black etc.
B) Minutes used on a cell phone by 240 teenagers
Sol)This is grouped data. Since minutes having lowerlimit and upper limit.
For this type of data histogram is the appropriate chart.
c) Time to complete the Boston Marathon for the nearly 22,000 runners who participate
Sol) This is also grouped data
For this type of data histogram is the appropriate chart.
d) Number of siblings for 64 college students
Sol) grouped data.
