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Scorpion4ik [409]
3 years ago
14

I need help with q6 .

Mathematics
2 answers:
Eva8 [605]3 years ago
7 0

Answer:

5.42

Step-by-step explanation:

From the question given, we obtained the following information:

Mean of six numbers = 4.7

Mean of four numbers = 6.5

We can obtain the mean of the ten numbers by first obtaining the sum of the first six numbers and the sum of the four different numbers. This can be achieved by doing the following:

For the six numbers,

Mean = sum of numbers / total numbers

Mean = 4.7

Total number = 6

Sum of the numbers = mean x total number

Sum of the numbers = 4.7 x 6 = 28.2

For the four numbers,

Mean = sum of numbers / total numbers

Mean = 6.5

Total number = 4

Sum of the numbers = mean x total number

Sum of the numbers = 6.5 x 4 = 26

Now we can obtain the mean of the ten numbers as follows:

Sum of the numbers = 28.2 + 26 = 54.2

Total numbers = 10

Mean = sum of numbers / total numbers

Mean = 54.2/10

Mean = 5.42

inessss [21]3 years ago
6 0

It says that mean of six nos is 4.7

So, that means ( no pun intended), the average of six numbers give a value of 4.7

the same goes for the average of the other four numbers=6.5

If we're talking about the mean ( average) of all the ten numbers , we usually would need the ten numbers ( their values and their frequency) , but since its already given as mean itself , we could just add up the values.

4.7+6.5=11.2

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