The mean of five observations is 5 and their variance is 9.20 . If three of the given five obser....

Channel:
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=5AoP2VE9EUI



Duration: 6:47
11 views
0


The mean of five observations is 5 and their variance is 9.20 . If three of the given five observations are 1,3 and 8 , then a ratio of other two observations is:   📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2024-05-12A pole stands vertically inside a triangular park ABC. Let the angel of elevation of the top of ....
2024-05-12Two vertical poles are 150m apart and height of one is three times that of other. If from the mi....
2024-05-12In the figure, θ1+θ2=π2 and 3(BE)=4(AB) If the area of&n....
2024-05-12From the top A of a vertical wall AB of height 30 m, the angles of depression of the top P and b....
2024-05-12The mean and variance of a set of 15 numbers are 12 and 14 respectively. The mean and variance o....
2024-05-12Let AB and PQ be two vertical poles, 160m apart from each other. Let C be the middle point of B ....
2024-05-12From the base of a pole of height 20 meter, the angle of elevation of the top of a tower is 60&d....
2024-05-12The angle of elevation of the top P of a tower from the feet of one person standing due South of....
2024-05-12The angle of elevation of the top of a tower at point on the ground is 30°. If on walking 20....
2024-05-12Let a vertical tower AB of height 2h stands on a horizontal ground. Let from a point P on the gr....
2024-05-12The mean of five observations is 5 and their variance is 9.20 . If three of the given five obser....
2024-05-12If the mean and variance of eight numbers \(3,7,9,12,13\), \(20, x\) and \(y\)be 10 and 25 respe....
2024-05-12Let \(X=\{x \in N: 1 \leq x \leq 17\}\) and \(Y=\{a x+b: x \in X\}\) and \(a, b \in R, a>0\}\....
2024-05-12The angle of elevation of the top of the tower observed from each of the three points A, B, C on....
2024-05-12The length of the minor axis (along y-axis) of an ellipse in the standard form is 43.If thi....
2024-05-12Let the mean and variance of 12 observations be \(\frac{9}{2}\) and 4 respectively. Later on, it....
2024-05-12Let the mean and variance of four numbers \(3,7, x\) and \(y(x>y)\) be 5 and 10 respectively.....
2024-05-12Consider the given data with frequency distribution Match List-I with List-II: Choose the corr....
2024-05-12The mean and variance of the data \(4,5,6,6,7,8, x, y\), where \(x<y\), are 6 and \(\frac{9}{....
2024-05-12If the variance of the following frequency distribution: is 50 , then \(x\) is equal to .....&n....
2024-05-12Consider the data on \(x\) taking the values \(0,2,4,8, \ldots, 2^n\) with frequencies \({ }^n C....