MPM1D - Quiz- Linear Relations - Science and Math's Assignment Help
- Subject Code :
MPM1D
- University :
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Canada
Assignment Task
1. Writ a hypothesis about a relationship between the variable given below. Then , give the opposite hypothesis The heights of boys and the heights of girls.
2. Identify the type of sampling in each situation. Explain any bias that the samples could have.
a) The president of a restaurant chain interviews employees at one branch.
b) The personnel department sends questionnaires to 75 employees randomly selected from a list of everyone working for the company. 3K Marks
3. This table lists the data from an experiment to measure how high a ball bounces after being dropped from six different heights. 5T Marks
Initial
Height(m) Bounce
Height (m)
1.00 0.62
1.50 0.91
2.00 1.18
2.50 1.51
3.00 1.80
3.50 2.08
a) Identify the independent variable and the dependent variable.
b) Make a scatter plot of the data.
c) Determine the relationship between the Initial Height of the ball and its Bounce Height.
4. A weather balloon recorded the air temperature at various altitudes. 5A Marks
Altitude (m) 500 800 1000 1500 1700 2100
Temperature ( c ) 16.2 14.5 13.1 11.2 9.8 8.1
a) Make a scatter plot of the data.
a) Determine the relation and draw a line or curve of best fit.
b) Estimate the temperature at 2500 m.
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