Answer:
Step-by-step explanation:
A Chi-square test is used to test the test of independence between rows and columns, contingency tables. It is a test related to frequencies. The observed frequency is a given statistical frequency known as the actual frequency, the expected frequency is known as the theoretical frequency is derived from the study by using the sum total of the row and total in the column divided by their corresponding sample size.
18/27 can be reduced to 2/3 so the second option should be the correct answer
Answer: The answer is $7.84 but that’s not a choice so I would go with $7.83
Step-by-step explanation:
Answer:
78
Correct term:60
Step-by-step explanation:
We are given that

The quotient of this expression is given by

We have to find the term in this expression which contains an error.

The quotient of this expression is given by


Using the formula

We can see that in the given expression there is 60 in place of 78.
The error in the expression of quotient is 78.
Correct term is 60.
Answer:
rate of change can be used in a real life problem such as the rate that a pool fills up with water.