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mestny [16]
3 years ago
6

A professor compares the exam grades of students based on whether they have a learning disability (yes, no) and where they sit i

n the classroom (in the front, middle, or back row). Different participants were observed in each group. What type of statistical design is appropriate for this study?
a. one-way between-subjects ANOVA
b. one-way within-subjects ANOVA
c. two-way between-subjects ANOVA
d. both B and C
Mathematics
1 answer:
Irina-Kira [14]3 years ago
7 0
I think Both B & C is the answer
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Nitella [24]

Answer:

The same way you tell if a parabola opens up or down, by the leading coefficient of the variable.

Step-by-step explanation:

Since the x-axis is positive to the right, a positive leading coefficient (3) means it opens to the right. eg. And a negative leading coefficient (-2) means it opens to the left.

8 0
3 years ago
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.9 years, and standard deviation of
Lostsunrise [7]

ANSWER

0.9738 or 97.38%

EXPLANATION

Given:

\begin{gathered} mean(\mu)=6.9 \\ Standard\text{ }Deviation(\sigma)=1.6 \end{gathered}

Desired Outcome:

Probability that it will last 10 years

z-score for the sample:

\begin{gathered} z-score=\frac{X-\mu}{\sigma} \\ z-score=\frac{10-6.9}{1.6} \\ z-score=1.9376 \end{gathered}

p-value

For the z-score of 1.9376, the p-value is 0.9738 or 97.38%

Hence, the probability that it will last longer than 10 years if you randonly purchase one item is 97.38%

7 0
1 year ago
The data set shows the numbers of hours that employees at a certain shop worked in one week. What is the mean number of hours th
lyudmila [28]

Answer:

33.6

Step-by-step explanation:

The following data set shows the numbers of hours that employees at a certain shop worked in one week

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The mean is the average of the numbers. It is easy to calculate - add up all the numbers, then divide by how many numbers there are.

Hence,

\text{mean}=\dfrac{34+36+32+40+39+17+35+33+36+34}{10}=\dfrac{336}{10}=33.6

6 0
4 years ago
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heres a video link

https://virtualnerd.com/algebra-1/linear-equation-analysis/slope-rate-of-change/understanding-slope/rate-of-change-two-points-table

5 0
4 years ago
What is the product?
mote1985 [20]

Answer:

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Step-by-step explanation:

None of these answers are correct... maybe you entered the equation in wrong. There are no variables so answers B,C, and D would be incorrect. And A is incorrect as well. Again, check the equation... may be wrong.

6 0
3 years ago
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