Mathematics, 09.03.2021 18:50 orangeicecream
Types of statistical studies
Researchers were interested in the effect of pre-existing inappropriate highlighting of text on reading
comprehension. They randomly assigned a group of 600 students to two groups. Both groups were asked to
answer a reading comprehension test.
The text given to the first group had inappropriate passages highlighted, while the text of the second group
wasn't highlighted at all. Then, the researchers compared the average score of each group in the reading
comprehension test.
What type of statistical study did the researchers use?
Answers: 3
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 17:50
Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36
Answers: 1
Mathematics, 22.06.2019 00:00
The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.
Answers: 2
Mathematics, 22.06.2019 00:30
An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.
Answers: 1
Types of statistical studies
Researchers were interested in the effect of pre-existing inappropriat...
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