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maw [93]
3 years ago
5

Someone plz help ASAP!!!

Mathematics
1 answer:
statuscvo [17]3 years ago
5 0

Answer:

34

Step-by-step explanation:

use the calculator

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A researcher wants to run a 2 x 3 mixed factorial design. The first factor is the within-subjects. The second factor is the betw
Elden [556K]

Answer:

3×20= 60.

Step-by-step explanation:

Given:

A researcher wants to run a 2 x 3 mixed factorial design.

1st factor is the subject within

2nd factor is the subject between

Now to calculate how many participants will he need in total

(greater of 2,3)×20

that is

=3×20= 60.

8 0
3 years ago
You successfully completed statistics, and the Math Department Chair recruited you to be a tutor. It’s day one on the job, and y
zvonat [6]

Answer:

Step-by-step explanation:

Ok, so we have to help your pupil (lets call her Jane) figure out "why researchers should use a random sample to conduct a survey". So, i will list all of the choices.

  • A random sample is likely to avoid bias
  • In a random sample some members of the population are more likely to be selected than others
  • Random samples provide consistency and systematically favor one choice over every other choice in each survey question
  • Random sampling will provide a more representative sample of population
  • Researchers can use a random sample to draw conclusions about the population

Random sampling is used to get the best average, and not favor any one opinion. For example, if you were trying to figure out the daily spending budget of people, you wouldn't just go to the upper clas part with all the rich people, you would survey from all over the town to get results from all kinds of people. So, the answers are:

  • A random sample is likely to avoid bias (because thats exactly what they do)
  • Random sampling will provide a more representative sample of population (because they are designed to do that)
  • Researchers can use a random sample to draw conclusions about the population (thats why they take the samples)

Hope this helps

4 0
3 years ago
Find the unit rate.<br> 180 miles in 3 hours
leva [86]

Answer:

60 miles per hour

Step-by-step explanation:

First, put the equation in a fraction.

You would put 180 up top because people always say miles per hour not the other way around.

You can see the dividing line as your "per" and your "hour" would be the bottom number.  

To find the unit rate, you will divide the numerator (180) and the denominator (3).  

Your final answer should be 60 miles per hour.

\frac{180}{3} = \frac{60}{1}= 60

3 0
3 years ago
Please help me- thank you
Kruka [31]

Answer:

a) The profit will be: Profit=y^2-99500

b) Since the profit is -9500 (negative) so, company will not gain any profit if they produce 300 bicycles.

Step-by-step explanation:

Cost of Bicycles= y^2+10y+100,000

Revenue generated = 2y^2+10y+500

Find a polynomial that represent profits

The formula used for finding profit is:

Profit = Total \ Revenue - Total \ Cost\\Profit=  2y^2+10y+500 - (y^2+10y+100,000)\\Profit=  2y^2+10y+500 - y^2-10y-100,000\\Profit=2y^2-y^2+10y-10y+500-100,000\\Profit=y^2-99500

So, the profit will be: Profit=y^2-99500

If the company can produce bicycles y= 300

The profit will be:

Profit=y^2-99500\\Profit=(300)^2-99500\\Profit=90000-99500\\Profit=-9500

Since the profit is -9500 (negative) so, company will not gain any profit if they produce 300 bicycles.

5 0
3 years ago
I have homework for tomorrow can someone help
Tema [17]

Answer:

x = 42 degrees.

Step-by-step explanation:

We see a cyclic quadrilateral, so by the cyclic quadrilateral theorem we notice that the angle marked with x degrees is equal to the angle marked with 42 degrees. Hence, x = 42 degrees.

3 0
2 years ago
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