Apet store has three fish tanks, each holding a different volume of water and a different number of fish. tank
aa
a
a
holds
40 l40\text{ l}
40 l
40, start text, space, l, end text
and
55
5
5
fish. tank
bb
b
b
holds
100 l100\text{ l}
100 l
100, start text, space, l, end text
and
1212
12
12
fish. tank
cc
c
c
holds
180 l180\text{ l}
180 l
180, start text, space, l, end text
and
2323
23
23
fish.
order the tanks by volume per fish from least to greatest.
bb
b
b
cc
c
c
aa
a
a

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Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.