Question

DerReleycollege.instructure.com Quiz Instructions D Question 1 1 pts Randomly selected 50 people from New York City were asked if they use a subway to get to the work place. 40 said "Yes". Based on this sample data was made a statement that 80% of the whole population of New York City take subway to get to the work place. Does this statement represent descriptive or inferential statistics? O descriptive O inferential

Answer 1

(1)A data is said to be descriptive statistic if the summary statistic that quantitatively describes or summarizes features of a collection of information

Here we can see

quantitative data is given and the statement is made(80% of the whole population of New York city take subway to get to the work place) based on gen data no on the basis of assumption .

Hence this is descriptive statistics

(2)

Let missing frequency is x

now relative frequency= given frequency/total frequency

for interval 40-49

x/(x+15)=0.40

or x=.4x +6

so x=6/.6=10

Correct option is (B) 10