WorksheetsPrecision, Accuracy, and Review
Total questions: 30
Worksheet time: 43mins
Measurements: 24.9, 25.2, 25.1, 24.8
Average Measurement: 25.0
True Value: 25.0
These measurements are…
Accurate, but not precise
Precise, but not accurate
Both precise and accurate
Neither precise nor accurate
Measurements: 2.5, 14.5, 10.1, 45.3
Average Measurement: 18.1
True Value: 25.0
These measurements are…
Accurate, but not precise
Precise, but not accurate
Both precise and accurate
Neither precise nor accurate
Measurements: 4.9, 5.2, 5.0, 5.2
Average Measurement: 5.08
True Value: 25.0
These measurements are…
Accurate, but not precise
Precise, but not accurate
Both precise and accurate
Neither precise nor accurate
What is the volume in this beaker? Do NOT include any units in your answer.
(a)
What is the volume of liquid in this graduated cylinder, recorded to the proper estimated digit? Do NOT include any units in your answer.
(a)
What is the volume of length of this object, recorded to the proper estimated digit? Do NOT include any units in your answer.
(a)
What is the volume of liquid in this graduated cylinder, recorded to the proper estimated digit? Do NOT include any units in your answer.
(a)
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
Zed went to the store and bought a bag of chips. He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package. What was his percent error? (Round to the hundredths)
(a)
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error? (Round to the hundredths place)
(a)
The students measured length during a science experiement, they got 12.00 cm. But the actual measurement was 14.25 cm. What was the percent error? (Round to the hundredths place)
(a)
Jessie estimates the weight of her cat to be 8.21 pounds. The actual weight of the cat was 10.45 pounds. Find the percent error. (Round to the hundredths place)
(a)
An archaeologist estimated that a fossil was 500 years old. It was actually 514 years old. What was the percent error? (Round to the hundredths place)
(a)
Does the flavor of ice cream effect how fast the ice cream melts? The flavor of ice cream is the....
independent variable
dependent variable
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?
m = the amount of money Sarah will raise
d = the distance Sarah walks
Which of the variables is dependent?
Molly harvests mushrooms in the forests of Oregon and then sells them to local restaurant chefs. The greater the weight of the mushrooms, the greater their value.
w = the weight of the mushrooms
v = the value of the mushrooms
v is the independent variable and w is the dependent variable
w is the independent variable and v is the dependent variable
Belle manages the Hancock Orchard, which produces many different types of fruit, including pears. The more pear trees that have been planted in the orchard, the more barrels of pears the orchard will produce.
p = the number of pear trees that have been planted in the orchard
b = the number of barrels of pears the orchard will produce
p is the independent variable and b is the dependent
b is the independent variable and p is the dependent
In this experiment the independent variable would be:
The egg.
The volume of water.
The amount of salt.
The float level.
In this experiment the independent variable would be:
The type of fertiliser.
The potting mix used.
The type of plant.
The amount of water given per week.
A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
This graph shows the
effect of time on the distance moved
effect of distance on the time spent
that there is no co-relation between time and distance
there is no enough information
What is the independent variable on this graph?
Year
Number of Visitors
Visitors to a Park
none of these
What relationship does this graph show?
Direct Relationship
Indirect Relationship
Indirect Relationships: One variable __________ and one __________.
decreases, increases
increases, increases
both remains constant
decreases, decreases
Which relationship does this graph show?
Indirect Relationship
Direct Relationship
