PROBLEM SET # 10 A. Solve the given problem carefully and determine if there is a significant difference. If significant difference exists, find the internal difference between them. 1. A researcher is interested in the effects of the time of day on performance of a memory recall task. He has 8 subjects perform the task at 4 times during the day: 8 am, noon, 4 pm, and 8 pm; each subject performs the task at each of the four times. The rescarch records the number of items cach subject recalls at each 4 times. The following table summarizes the data. Time of Day SUBJECT Time 1 Time 2 Time 3 Time 4 1 6. 14 11 7. 2 11 13 3 3 13 5 13 6. 11 17 14 10 7. 12 14 11 9 00- 2)
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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