Answer:
To select a <u>stratified</u> random sample, first classify the population into groups of similar individuals, then choose a separate SRS in each group and combine these SRS to form the full sample
Step-by-step explanation:
Stratified random sampling involved dividing the population into small groups of similar individuals (called strata) and then from among those groups, a stratified random sample is selected and then, all these samples are combined to form the full sample. Hence, the missing word in this sentence is <u>stratified.</u>

the numbers should be

or

because you move the point 18 places to obtain 9.15(the dot is initially at the end of the number)
Answer:
7500 ( 1.023 ) ^(x)
Step-by-step explanation:
x is the number of years that go by