3 years ago

The mean computed from ungrouped data is a more accurate measure than the mean computed from grouped data?

Mathematics

1 answer:

Rufina [12.5K]3 years ago

4 0

It doesn’t make any difference whether or not the data is grouped, the mean is the same. So b. false.

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12)<br> Which graph represents the solution for the equation-x-1=-x+ 2?

antiseptic1488 [7]

Answer:

Find the graph that has (2,0)

Step-by-step explanation:

$\frac{1}{2}x -1=-x+2$

+ x +x

$\frac{3}{2}x - 1 = 2$

$2(\frac{3}{2}x - 1 = 2)$

3x - 2 = 4

+ 2 + 2

3x = 6

/3 /3

x = 2

Your image is blurry, but the point that has (2,0)

Hope that helps!

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2 years ago

-6 = u/ -1 +-4 what's u

yuradex [85]

Answer:

the answer to your question is U=2

Step-by-step explanation:

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2 years ago

A school principal has to choose randomly among the six best students in each grade to be the school captain every month. For th

Viefleur [7K]

Since there are 6 students out of which one needs to be selected, the principal chose two die on which there are six numbers each numbered from 1 , 2, 3, 4, 5, 6.

Since there are two dice, the total possible outcome is 36.

Hence, the probability of getting one number each is 1/36

Hence, the principal used a fair method because each result is an equally likely possible outcome.

Option B is correct.

5 0

2 years ago

Read 2 more answers

You flip a coin, spin the spinner, and flip a coin again. Find the probability of flipping heads, spinning an even number, and t

NNADVOKAT [17]

Answer:

1/10

Step-by-step explanation:

P heads,even,heads = P heads * P even *P heads =

1/2 * 2/5* 1/2 = 1*2*1/2*5*2= 1/10

7 0

2 years ago

Se vendieron 50 camisetas a 10€ a cada una.¿ que beneficio se obtuvo si las camisetas se compraron a 7€ cada uno?

ipn [44]

the question in English

50 t-shirts were sold at 10€ each. What benefit was obtained if the t-shirts were bought at 7€ each?

Let

x---------> the benefit in euros

we know that

$x=50*10-50*7$

$x=50*(10-7)$

$x=50*3$

$x=150\ euros$

therefore

<u>the answer is</u>

The benefit is equal to $150\ euros$

6 0

3 years ago