re nigner the buted. 86 90 90 89 88 75 70 80 80
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.
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was used in a study to see if the student retained more from reading a 19th-
novel or by watching it in DVD form. Each student was assigned one novel to
read and a different one to watch, and then they were given a 20-point written
quiz on each novel. The test results are shown below. At a=0.01, can it be
concluded that the book scores are higher than the DVD scores? Assume the
variables are normally distributed.
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84
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Part 1 of 4
(a) State the hypotheses and ide
aim with the correct hypothesis.
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Part: 1 / 4
Part 2 of 4
(b) Find the p-value. Round the answer to at least four decimal places.
P-value =
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