1. What is the type of the correlation: strength and direction?  a. marks on a history test and the heights of the students b. the number of defective light bulbs produced and the time of the day when they were manufactured c. the colour of cars sold and the annual income of the car buyers d. the height of corn in a field and the amount of precipitation during the growing season

MATLAB: An Introduction with Applications
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1. What is the type of the correlation: strength and direction? 

a. marks on a history test and the heights of the students

b. the number of defective light bulbs produced and the time of the day when they were manufactured

c. the colour of cars sold and the annual income of the car buyers

d. the height of corn in a field and the amount of precipitation during the growing season

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