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stiv31 [10]
2 years ago
15

A researcher wants to investigate the effect of weather on college students' study habits. On a sunny day, the researcher sits i

n the quad and records the number of minutes each student puts into studying. The researcher finds that the mean number of minutes of study is 39.8. This is an example of a
Mathematics
1 answer:
LekaFEV [45]2 years ago
6 0

The investigation that was carried out by the researcher illustrates a one-shot case study.

<h3>What is a one-shot case study?</h3>

It should be noted that a one-shot case study simply means a research design where a single group is observed after experiencing some treatment on a single occasion.

Since the researcher sits in the quad and records the number of minutes each student puts into studying, it's a one-shot case study.

Here, the single group of individuals are selected for observation.

Learn more about case study on:

brainly.com/question/15164693

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sergiy2304 [10]
Can you show the problem? Those are the questions but I need the actual graph.
6 0
3 years ago
the sum of two numbers is 70. the larger number is five less than twice the smaller number . what are the two numbers
earnstyle [38]
X+y=70
x=2y-5
x=larger number
y=smaller number
now plug in the value of x to only have one variable in the equation...
Way to solve for y:
(2y-5)+y=70
3y-5=70
add 5 on both sides...
3y=75
divide by 3 on both sides
y=25
1st way to solve for x:
now plug in y in the original equation...
x+25=70
subtract 25 on both sides...
x=45
2nd way to solve for x:
plug in y for the second equation...
x=25(2)-5
x=50-5
x=45
answer: the two numbers are 45 and 25.

3 0
3 years ago
You roll a red die and a green die. What is the size of the sample space of all possible outcomes of rolling these two dice, giv
VladimirAG [237]
(red, green) = (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)
Size of sample space = 18.
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3 years ago
Help!!!<br><br><br>2814 divided by 7
dexar [7]
2814÷7= 402.
hope this helps!
7 0
3 years ago
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8.9 x 10^-5 in scientific notation
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