![subject](/tpl/images/cats/mat.png)
Mathematics, 16.07.2021 07:20 safiyabrowne7286
A researcher wants to know if calcium is an effective treatment for lowering blood pressure. He assigns one randomly chosen group of volunteers to take calcium supplements; the other group will get placebo. At the end of the treatment period, he measures the difference in blood pressure. The 50 members of the calcium group had blood pressure lowered by an average of 25 points with a standard deviation of 10 points. The 50 members of the placebo group had blood pressure lowered by an average of 15 points with a standard deviation of 8 points. To analyze this information we will use a
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:10
Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:40
Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8
Answers: 2
You know the right answer?
A researcher wants to know if calcium is an effective treatment for lowering blood pressure. He assi...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 02.09.2021 04:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/en.png)
English, 02.09.2021 04:20
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/istoriya.png)
History, 02.09.2021 04:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/es.png)
Spanish, 02.09.2021 04:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20
![question](/tpl/images/cats/en.png)
English, 02.09.2021 04:20
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 04:20