Answer:
In Heather's solution to the problem, she wrote and solved an equation.
Her work is:
Step 1: 1.08(x +9.01 +0.98 +5.01) = 21.87
Solving like terms
1.08(x+15}=21.87
dividing both side by 1.08
we get
x+15=21.87/1.08
x+15=20.25
subtracting both side by 13.9198
x=20.25-15
x=5.25
According to correction
;
<u>Option </u><u>1</u><u>st</u>
<u>yes,it is correct.</u>
1. b
2. b
3. b
4. b
5. b
i am not sure about 1
Sweet? Sweet is a nice word to say to people or about people.
From the given data in the study of texting speed, we can identify the following
1)
a) population; is all the individuals belonging to the age group of 18-22 years
b) sample; is the selected 45 adults in the age group of 18-22 years
c) unit / individual: adults
d) Response: time taken to write "hi! what's up?"
2)
<h3>The response variable is </h3>
- A continuous - quantitative variable.
It is a continuous variable as it can take an infinite number of possible values.
<h3>The level of measurement is</h3>
- Measured by the ratio scale of measurement.
variables measured by the ratio scale of measurement have equal differences between scale values and equal quantitative meaning. They also have a true zero point
For more information on response variable, visit
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