[funtoon]

الأسئلة دي كلها
no understanding & no answers
plz help me on them


four students from a class of 20 were questioned for a grade vs attendance, this would be an example of
b) interviewing
c) surveying
d) sampling


the range 31.77-34.23 is not a good choice for class boundaries coze
a) it's too wide
b) it has an odd width
c) it is too narrow
d) the class limits are difficult to interpret


in an advertisment for a car, a driver driving expertly through a difficult road course. at the bottom of the ad, the following is included in small print( Professional driver on a closed course) this is an example of
a) implied connection
b) detached
c) changing the subject
d) suspect sample


which branch of statistics would buy a 100 Toyotas, drive them into the groung, record the final mileage and then write a report for Car and Driver
a) infrential
d) deive