Correlation
Trending Questions
Q.
If the correlation coefficient is zero, then the lines of regression will be:
Parallel to axes
Perpendicular to axes
Inclined at any angle with axes
Coincident
Q. When there is no visible relationship between the two variables, the correlation is called
- No/zero correlation
- Positive correlation
- Negative correlation
Q.
Which graph shows data whose - value is most likely closest to ?
Q.
The variables and represent height in and weight in respectively. The correlation between and has the unit
None of these
Q. If no clear relationship is visible between the independent and dependent variable on the scatter plot, then the variables are said to have between them.
Q. In positive and negative correlations, dependent variable and , respectively, if independent variable decreases.
- remains same
- increases
- decreases
- always goes to zero
Q. Figure out the correlation in the following scatter plot.
- Negative correlation
- Positive correlation
- No/zero correlation
Q. Find out the correlation that exists between the following scatter plot, which depicts the number of cars after different hours of time.
- Positive Correlation
- Negative Correlation
- Zero Correlation
Q. The number of ice-cream cups sold with respect to the number of vistors at an ice-cream parlour is recorded below:
What kind of correlation exists between the number of visitors and the number of ice-cream cups sold?
What kind of correlation exists between the number of visitors and the number of ice-cream cups sold?
- Negative Correlation
- Positive correlation
- No correlation
Q. Boran measured the height of a plant for 6 weeks.
Weeks Passed Height (cm)
Which type of correlation exists between the height of the plant and number of weeks passed?
Weeks Passed Height (cm)
1 | 2 |
2 | 5 |
3 | 9 |
4 | 15 |
5 | 27 |
6 | 50 |
Which type of correlation exists between the height of the plant and number of weeks passed?
- Positive correlation
- Negative correlation
- No correlation
Q. Hannah noted the distances run by randomly selected joggers in a park as tabulated below.
Age (years) Distance Run (km)
Which type of correlation exists between the age and the distance run?
Age (years) Distance Run (km)
17 | 3 |
20 | 14 |
27 | 32 |
42 | 7 |
53 | 30 |
80 | 20 |
85 | 8 |
Which type of correlation exists between the age and the distance run?
- Positive correlation
- Negative correlation
- No correlation
Q. Patterns resulting from plotting the variables on a system of two axes is called correlation.
- True
- False
Q. A truck driver tabulated the power produced by his loaded truck and the respective fuel consumptions.
Power (kW) Fuel Consumption (miles per gallon)
Find the correction between the two quantities.
Power (kW) Fuel Consumption (miles per gallon)
0.5 | 0.5 |
1 | 0.8 |
4 | 1 |
5 | 1.3 |
6 | 1.5 |
8 | 2 |
10 | 2.5 |
Find the correction between the two quantities.
- Positive correlation.
- Negative correlation
- Zero correlation
Q. The pattern that results from the plotting of variables on a system of two axes is known as .