<span>This is a stratified random sample - the population was stratified by county, and then a random sample was selected within each county.stratified sampling is used for A government poll to determine who uses the state parks in missouri surveyed 50 people chosen randomly from each of missouri's counties.Stratified random sampling is a method of sampling that involves the division of a population into smaller groups known as strata. In stratified random sampling, or stratification, the strata are formed based on members' shared attributes or characteristics.</span>
Question: The sample data and the scatter plot was not added to your question. See the attached file for the scatter plot.
Answer: Yes
Step-by-step explanation:
From scatter plot, it was discovered that there is a linear relationship between the two variables and both variables are quantitative.
Therefore, it appropriate to use the correlation coefficient to describe the strength of the relationship between "Time" and "Fish Quality"?
Answer:
A rectangle has a height of 4x^3 and a width of x^3+3x^2+2x. Express the area of the entire rectangle. Your answer should be a polynomial in standard form
Step-by-step explanation:
Answer:
13/15
Step-by-step explanation:
You need to make the denominators of both equations the same
to do this multiply the numerator and denominator of the fraction 2/5 by 3
this gives you 6/15
add the numerators together and keep the denominators the same
your answer is 13/15