The variance of a given distribution is 25. What is the standard deviation?
125
75
25
5
Correct answer is D
S.D = √Variance
= √25
= 5
134
312
412
812
Correct answer is C
514÷(123−12)214÷(14−36)214÷(116)214×67=412
In the diagram above, ∠PQU=36°, ∠QRT = 29°, PQ||RT. Find ∠PQR
94o
65o
61o
54o
Correct answer is B
< UQR = 29° (alternate angles)
< PQR = < PQU + < UQR
= 36° + 29°
= 65°
24√3cm2
36√3cm2
42√3cm2
72√3cm2
Correct answer is A
No explanation has been provided for this answer.