निम्नलिखित आवृत्ति वितरण के लिए माध्यिका है: {:(x_(i) :,1,2,3,4,5,6,7,8,9),(f_(i):,8...

The median for the following frequency distribution is : {:(x_(i) " :",1,2,3,4,5,6,7,8,9),(f_(i)" :",8,10,11,16,20,25,15,9,6):}

If X={1,2,3,{4,5},6,{7,8,9,10} then {4,5} sub X

If the arithmetic mean of the following distribution is 8.2, then a = {:(x_(i) " :",1,3,5,9,11,13),(f_(i)" :",3,2,7,a,4,8):}

The mode of the following discrete series is: {:(x_(i), 1,3,5,6,12,15),(f_(i)"",5,7,3,8,6,5):}

Find the mode of the following discrete series. {:(x,1,2,3,4,5,6,7,8,9),(f,3,8,15,1,9,12,14,5,7):}

Find the mode of the following discrete series. {:(x,1,2,3,4,5,6,7,8,9),(f,3,8,15,1,9,12,14,5,7):}

If U = {1,2,3,4,5,6,7,8,9} and A = {1,2,3,4} , then (A^(c))^(c) = ……….. .