Work out the mean for the data set below:
3, 5, 4, 3, 5, 6
Give your answer as a fraction

Step-by-step explanation:

add all numbers; 29

divide by how many; 29÷6

and your answer 4 5/6

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.