A survey of college students reported that in a sample of 41 male college students, the average number of energy drinks consumed per month was 2.49 with a standard deviation of 4.87, and in a sample of 38 female college students, the average was 1.22 with a standard deviation of 3.24. Construct a 95% confidence interval for the difference between men and women in the mean number of energy drinks consumed. a. What is the value for degrees of freedom? b. What is the critical value? (Provide the answer with 3 decimal places) c. What is the margin of error? (Provide the answer with 3 decimal places) d. 95% Confidence interval (Provide the values with 2 decimal places):

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.