Find the value of x.
Speed100755025Time Taken6080x240
120
400
350
450
According to the given details in the table, we know that it's an inverse proportion.
The equation formed will be, 100 x 60 = 75 x 80 = 50 x x
⇒ x = 120
Fill in the blank.
Price100755025Number6080240
Fill in the blank:
Price100755025Number6080240 Answer = ___
Find the mean of the step deviations: Class intervalFrequency(fi)Class mark(xi)di=xi−aui=dih0−1004050−200−2100−20039150−100−1200−3003425000300−400303501001400−500454502002