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Vilka [71]
2 years ago
15

Eighteen technicians in a cell phone repair shop are randomly selected to participate in a study comparing two screen repair tec

hniques. They are randomly assigned one of the two techniques. The manager trains 9 technicians on one technique and trains the other 9 technicians on the second technique. He then records the number of screen repairs each technician does in one week. Which inferential statistical test would be most appropriate for this scenario?
A one-sample z-test
A paired t-test
A chi-square goodness-of-fit test
A one-sample t-test
A two-sample t-test
Mathematics
1 answer:
Masteriza [31]2 years ago
8 0

Answer:

a two sample t test

Step-by-step explanation:

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Step-by-step explanation:

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WILL MAKE BRAINLIEST !!!!! The equation y = 35.25x + 40 gives the labor cost y of repairing a car if takes x hours to repair the
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3 years ago
Solve each system of equations; nonlinear algebra 2<br><br> x2 + x + y - 26 = 0<br> x + y = 1
BigorU [14]

Answer:

(5,-4) and (-5,6)

Step-by-step explanation:

Given:

\left\{\begin{array}{l}x^2+x+y-26=0\\ \\x+y=1\end{array}\right.

Solve it. First, express y in terms of x from the second equation:

y=1-x

Substitute it into the first equation:

x^2+x+1-x-26=0\\ \\x^2-25=0\\ \\(x-5)(x+5)=0

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So,

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3 years ago
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kow [346]

Answer:

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Step-by-step explanation:

3 0
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Need all these tomorrow!!!!! thank you all soooooOOOOOOooOoOOooOOoO much!!!!!
nordsb [41]
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3 years ago
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