Can she say that the potion works? (Use a = .10) Ho: mu d = 0 %3D Ha: mu d > 0
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.
Please solve algebraically
![Paired t-test
9. A doctor wants to test if a new "love potion" increases the number of dates over the course
of a year. She chooses ten subjects, counts the number of dates over a year, and then
gives them the "love potion" for the next year. The data is as follows:
Before
12
8
13
11
2
18
20
After
17
9.
25
7
14
8
10
21
Difference
1
12
6.
-4
-8
1
(A - B)
Can she say that the potion works? (Use a = .10)
Ho: mu d = 0
Ha: mu d > 0
10. Eleven sets of fraternal twins are tracked to see the number of years of education. The
results are as follows:
Sister
14
16
13
12
19
9.
12
14
11
20
16
Brother
16
17
12
14
19
11
18
17
14
17
16
Is there a significant difference in the years of education between a fraternal brother and
sister? (a = .10)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7adab973-b0e6-44a7-92bd-a84fb1116070%2F132dc033-b846-49c6-a61f-310f7ad32f4f%2Fbay3hb8_processed.jpeg&w=3840&q=75)
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