The following table describes a randomized trial comparing an
experimental medication to a pla...
Mathematics, 07.11.2019 18:31 terrieldixon
The following table describes a randomized trial comparing an
experimental medication to a placebo for treatment of reflux.
experimental treatment
(1 = 100)
placebo
(n = 100)
p
patient characteristics
52 (5.6)
63%
13 (3.2)
$42 (s4.5)
54 (5.2) 0.0090
58% 0.4563
10 (2.1) 0.0453
539 ($5.6) 0.0918
mcan (sd) age (years)
gender: % female
mean (sd) educational level (years)
mean (sd) annual income ($000s)
clinical characteristics
mean (sd) number of episodes
per week
severity of symptoms: % minimal
% moderate
% severe
8 (3.2)
6 (2.9)
0.0001
0.0021
21%
45%
15%
21%
64%
24%
a. provide a 95% confidence interval for true mean number of episodes of reflux per week for persons who will
receive the experimental treatment?
b. what is an estimate of the standard error of the mean age for the experimental treatment group?
c. what is an estimate of the standard error for the sample proportion of females in the experimental treatment
group?
Answers: 1
Mathematics, 21.06.2019 18:00
Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given
Answers: 1
Mathematics, 21.06.2019 18:10
The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%
Answers: 2
Mathematics, 21.06.2019 19:30
Aline passes through 3,7 and 6,9 what equation represents the line
Answers: 2
Mathematics, 25.08.2019 22:20
Mathematics, 25.08.2019 22:20
Chemistry, 25.08.2019 22:20
History, 25.08.2019 22:20
Mathematics, 25.08.2019 22:20
Mathematics, 25.08.2019 22:20
Chemistry, 25.08.2019 22:20
History, 25.08.2019 22:20