find the mean of the following set of numbers 5,8,7,11,4?
551952
The mean is the average.  Add 'em up and divide by the number of numbers.\n\n5 + 9 + 7 + 11 + 4 = 36\n\n36 / 5 = 7.2
805445
7m+3=5m+11\n7m+3-5m=5m+11-5m\n7m-5m+3=5m-5m+11\n(7-5)m+3=0+11\n2m+3=11\n2m+3-3=11-3\n2m+0=8\n2m=8\n2m/2=8/2\nm=4
869678
1 and 1\n9 and 3\n25 and 5\n49 and 7\n81 and 9\n121 and 11\n...
358924
7(b-2)\n7(8-2)\n56-14\n42
114212
First you have to find the mean (average) of the set of numbers. Standard deviation measures how spread out the values in a data set are. To find standard deviation, take the difference of each number in the data set and the mean, square them individually and then add them together. Then divide that by the number of values. And then take the square root of all of that. It's really hard to write that equation in just plain text, but the link shows you what it looks like.\n\nIt's easier to see with an example.\nFind the standard deviation of 45.7, 43.8, 42.6, and 48.1.\n\nThe mean is the sum of all the numbers divided by the amount.\n(45.7+43.8+42.6+48.1)/4= 180.2/4= 45.05\n\nNow find standard deviation, sd:\nsd^2= [(45.7-45.05)^2 + (43.8-45.05)^2 + (42.6-45.05)^2 + (48.1-45.05)^2]/4\n\nsd^2= [(.65)^2 + (-1.25)^2 + (-2.45)^2 + (3.05)^2]/4\n\nsd^2= (.4425 + 1.5625 + 6.0025 + 9.3025)/4\n\nsd^2= 17.29/4=4.3225\n\nsd=sqrt(4.3226)= 2.08
493335
First you have to put the numbers in order:\n\n\n3, 4, 8, 8, 8, 10, 12, 13, 14, 16\n\nThere are 10 numbers. To find the median, you want to go to the middle. The middle is between 8 and 10, so you average those to find a median of 9.\n\nThere are two quartiles (like quarters) made up of the elements less than 9 and two quartiles made up of the elements more than 9.\n\nNow you need to find the median of each half. For the first five numbers, the median, middle number, is 8. For the second five numbers, the median is 13. \n\nSo the Q1 goes from 3 to 8, Q2 goes from 8 to 9, Q3 goes from 9 to 13, and Q4 goes from 13 to 16. These are all based on how the data is distributed (spread out) around the median in the middle.\n\nHope that helps.
927294
mean (add all numbers together and divide by the amount of numbers) - 6\nmedian (middle number when ordered from least to greatest) - 7\nmode (the number that appears the most) - 9\nrange (lowest number subtracted from highest number) - 8
252318
If I understand correctly, your 8 numbers are:\n12, 24, 36, 38, 45, 69, X, and X.\nThe last two are the same number as the mode by definition.\n\nSince the mode times two equals the mean, then\n\n2X = (224+2X)/8\n16x=224+2x\n14x=224\nx=224/14=16\n\nSo, your numbers were 12,16,16,24,36,38,45,and 69\nTotal 256\nAverage (Mean) 32\nMode 16
133517
the solutions is 7,8,3,2 or 7,6,5,2. The problem works with both sets of numbers.
488357
Eleven: 1 3 7, 3 8, 3 3 5 = 3 ways\nTwelve; 1 3 3 5, 5 7, 1 3 8, 3 9 = 4 ways\nThirteen: 3 3 7, 1 3 9, 5 8, 1 5 7 = 4 ways\nFourteen: 3 3 8, 1 3 3 7, 5 9, 1 5 8 = 4 ways\nFifteen: 3 3 9, 1 3 3 8, 3 5 7, 1 5 9, 7 8 = 5 ways \nSixteen: 1 3 3 9, 1 3 5 7, 1 7 8, 7 9, 3 5 8 = 5 ways\nSeventeen: 8 9, 1 7 9, 3 5 9, 1 3 5 8 = 4 ways\nEighteen: 1 8 9, 1 3 5 9, 3 7 8, 3 3 5 7 = 4 ways\nNineteen: 1 3 7 8, 3 7 9, 3 3 5 8, 1 3 3 5 7 = 4 ways\nTwenty: 1 3 7 9, 3 8 9, 3 3 5 9, 5 7 8, 1 3 3 5 8 = 5 ways\nTwenty-one: 1 5 7 8, 5 7 9, 1 3 3 5 9, 1 3 8 9, 3 3 7 8 = 5 ways\nTwenty-two: 1 5 7 9, 3 3 7 9, 1 3 3 7 8, 5 8 9 = 4 ways\nTwenty-three: 3 3 8 9, 1 3 3 7 9, 3 5 7 8, 1 5 8 9 = 4 ways\nTwenty-four: 1 3 3 8 9, 7 8 9, 3 5 7 9, 1 3 5 7 8 = 4 ways\nTwenty-five: 1 7 8 9, 1 3 5 7 9 = 2 ways\nTwenty-six: 3 3 5 7 8, 1 3 5 8 9 = 2 ways\nTwenty-seven: 3 7 8 9, 3 3 5 7 9, 1 3 3 5 7 8 = 3 ways\nTwenty-eighr: 1 3 3 5 7 9, 1 3 7 8 9, 3 3 5 8 9 = 3 ways\nTwenty-nine: 1 3 3 5 8 9, 5 7 8 9 = 2 ways\nThirty: 3 3 7 8 9, 1 5 7 8 9 = 2 ways\nThirty-one: 1 3 3 7 8 9 = 1 way\nThirty-two: 3 5 7 8 9 = 1 way\nThirty-three: 1 3 5 7 8 9 = 1 way\nThirty-four: cannot be done = 0 ways\nThirty-five: 3 3 5 7 8 9 = 1 way\nThirty-six: 1 3 3 5 7 8 9 = 1 way\n\n78 ways in all\nSystematic searching is the only way I could find.
74440
The Mean is the average.  You have 22 numbers; add them up and divide by two to get the mean.  In this case, that gives 87.38\n\nThe median is the "middle" value.  Since you have 22 numbers, 11 of them will be below the median, and 11 will be above.  In your case, the 11th biggest number is 87.9 and the 12th biggest number is 88.  The median could be anything in between, but is generally taken to be the average of these two- or 87.95\n\nThe mode is the most common value.  In your case, each value occurs only once, except for 91.7 which occurs twice.  Therfore, 91.7 is the mode\n\nUpper and lower quartiles are similar to the median; The lower quartile is the value below which 1/4 of your values lie, and the upper quartile is the value above which 1/4 of your values lie.  Since you have 22 numbers, the lower quartile is the value between the 5th and 6th largest numbers (82 and 83.6), and the upper quartile is the value between the 17th and 18th largest numbers (92.9 and 94.2).  That makes 82.8 and 93.55\n\nThe range is the minimum value to the maximum value, or {68 to 98.2}\n\nTo get the variance, first subtract the mean from each value.  Then, take the square of each of these new values.  Then, add up all these squares.  Finally, divide this sum by the number of values (22 in your case).  This should give a variance of 51.22 with your numbers.\nNOTE:  The above formula is for "population variance", and is generally used when your numbers represent an entire population.  If your numbers represent a sample of a population, you should use the "Sample Variance", which has the same formula except that you divide by the number of values minus one (21 in your case).  With your numbers, this should give a sample variance of 53.66.\n\nThe standard deviation is just the square root of the variance.  Like the variance, there is a "population standard deviation" (7.16 in your case) and a "sample standard deviation" (7.33 in your case)
971574
This is a proportioal problem\n\nMultiply the means\n\nmultiply the extremes\n\n- - - - - - -\n\nx = the amount of men\n\n4 / 7 = x / 28\n\nthe means = 7x\n\nThe extremes = 4 x 28\n\n- - - - - - - - - - - - - - -\n\n7x = 4 x 28\n\n7x = 112\n\n7x / 7 = 112 / 7\n\nx = 16\n\nThe answer there are 16 men\n\n- - - - - - s-
130493
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49\n\n6 f the above numbers
1090404
look at what is added (in parentheses)\n\n2 (+1) 3 (+2) 5 (+0) 5 (+3) 8 (-1) 7 (+4) 11\n\nStarting with the first and taking every other number you have +1 +0 -1.  The other values are +2 +3 +4.  So you have two patterns interwoven.  Following those patterns will yield:\n\n2, 3, 5, 5, 8, 7, 11, 9, 14, 11, 17, 13, 20
45582
10,7,8,4,9,8,25=4,7,8,8,9,10,25 if you put them in order from least to greatest, eliminate the numbers like ths: 7,8,8,9,10       \n            8,8,9\n              8\n          so its 8
653946
1 4\n2 15\n4 2\n5 100\n6 3\n7 15\n8 10\n9 10\n10 33\n11 -45\n12 2\n13 500\n14 5\n15 200
301670
here are some examples\n\n5,6,2,3\n\nMedian - Put in accending order (2,3,5,6) Find the middle number, or in this case the middle two (3 & 5) and divide by two. 3/5\n\nMode - Does not exist here. What ever number or numbers is repeated the most.\n\nMean - 5+6+2+3=16  16/4(amount of numbers) = 4\n\nTry to do it in the order i did. I always get confused with the Mean and Mode. Just remember that Median sounds like Middle. Mode reminds you of functions and stuff. So just think of repetition. and Mean is left over.