The dependent variable is the number of year + made. The independent variable is the number of time + made. The regression equation is y = x+ (Round to hundredths.) The y-intercept tells us that if the year was you would expect to the time to be seconds (round to hundredths). The slope tells us that for every additional second an athlete gets, they would expect a/an decrease + of 0.28 seconds
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
![5:12 1
1984 55.92
1992 54.64
2000 53.8
2008 53.1
The dependent variable is the number
of year + made.
The independent variable is the
number of
time +
made.
The regression equation is y =
x+
- (Round to
hundredths.)
The y-intercept tells us that if the year
was
, you would expect to the
time to be
seconds (round
to hundredths).
The slope tells us that for every
additional
second +
an athlete
gets, they would expect a/an
decrease +
of 0.28 seconds +
Check
II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff658bee4-a132-4c2c-b498-f10d1ea8daca%2Faeb53bed-9134-4679-b26c-586141ed4c9d%2Fi98f5j7_processed.jpeg&w=3840&q=75)
![5:12 1
Instructions: Use the data given to
create a scatter plot, calculate the line
of best fit and interpret the slope and
y-intercept in context.
The table below gives the gold medal
time for every other summer olympics
for the 100 meter freestyle
(swimming).
Year Time (sec)
1912
82.2
1924 72.4
1932 66.8
1952 66.8
1960 61.2
1968 60.0
1976 55.65
1984 55.92
1992 54.64
2000 53.8
2008 53.1
The dependent variable is the number
of year +
made.
The independent variable is the
number of
time +
made.
The regression equationiey](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff658bee4-a132-4c2c-b498-f10d1ea8daca%2Faeb53bed-9134-4679-b26c-586141ed4c9d%2F43tbu4k_processed.jpeg&w=3840&q=75)
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