581. The median of the data 2, 4, 10, 8, 6 is _______________?

A. 6
B. 5
C. 10
D. None of these

582. The mean of 5,5,5,5,5 is ______?

A. 1
B. 5
C. 6
D. 10

583. The frequent value of the data if it exists is called ________________?

A. Median
B. Quartiles
C. Mode
D. Deciles

584. The median of F,K,E, Q, U, E, N, C,Y, is ________?

A. EUP
B. LEY
C. EUQ
D. EFP

585. A distribution is called _____ distribution if it has two modes?

A. Uni-modal
B. Bi-model
C. Tri-modal
D. None of these

586. The median of numbers, 12, 22, 32,__(2n + 1)2 is given by______?

A. (n2 + 1)
B. (2n + 1)2
C. (n + 1)2
D. (N – 1)2

587. Combine mean calculated by different given mean is ________?

A. n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
B. n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
C. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
D. ∑n1x/x1

588. Normal distribution is a probability distribution of _____ random variable?

A. Continuous
B. Constant
C. Discrete
D. Normal

589. Normal distribution has ______ parameter?

A. Three
B. Two
C. Four
D. One

590. The quartile deviation is ____ (S.D.) is normal dist?

A. .6734
B. .7879
C. .6745
D. .4567