find the first quartile of 7,8,7,9,11,8,7,9,6 and 8.
...find the first quartile of 7,8,7,9,11,8,7,9,6 and 8.
8.5
7.0
7.5
8.0
Correct answer is B
Rearrange data in increasing order: 6,7,7,7,8,8,8,9,9 and 11
First quartile (ungrouped data) = n4th value
= 104
= 2.5th value
= 7+72
= 7.0
In how many ways can a team of 3 girls be selected from 7 girls? ...
If the angles of a quadrilateral are (3y + 10)°, (2y + 30)°, (y + 20)° and 4y°. Find the value o...
In the figure, XR and YQ are tangents to the circle YZXP if ZXR = 45° and YZX = 55°, Fi...
In the figure, PS = RS = QS and QRS = 50°. Find QPR ...
Find the area of the enclosed region, PXROY correct to the nearest whole number ...
In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35o. Find ∠QPR...