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nikitadnepr [17]
3 years ago
13

Can someone help please

Mathematics
1 answer:
sukhopar [10]3 years ago
4 0
I agree with -3! Hopefully it did helped you
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A survey was conducted by an independent price checking company to check an advertiser's claim that it had lower prices than its
Mama L [17]

Answer:

a) critical values ≈ -3.182 and 3.182  shows that there is difference in average prices

b)   H0 : μd = 0

    Ha : μd ≠ 0

Step-by-step explanation:

<u>a) Determine if there is any significant difference in the average prices </u>

using ∝ = 0.05

and  μ( advertiser ) - μ ( competitor ) = μd

test statistic ( t ) =  -3.011

df = 3

hence the critical values ( two tailed test ) =  -3.182 and 3.182. this shows that there is sufficient evidence to show that there is difference in the average prices

<u>b) state the hypothesis</u>

 H0 : μd = 0 ( null )

Alternate hypothesis : Ha : μd ≠ 0

5 0
3 years ago
Whoever answers correctly gets brainliest
ruslelena [56]
Here the answer in the image below as a table

C
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6 0
2 years ago
The volume of a cube is 4,741.632 cubic millimeters . What is The length of each side of the cube
PSYCHO15rus [73]

Answer:

790.272

Step-by-step explanation:

8 0
2 years ago
What is the scale factor in the dilation? will b marked brainliest
labwork [276]

Answer:

3

Step-by-step explanation:

When both sides in the pre-image are multiplied by 3, you get the image. and since it is getting bigger and not smaller, it would be a whole number aka 3.

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2 years ago
4. Does the scatterplot have positive correlation, negative correlation, or no correlation?
bija089 [108]

Answer:

Negative Correlation

Step-by-step explanation:

Since the points are approximately lined up in a linear line pointing toward the bottom right, the slope of the best fit line would be a negative value. So the scatter plot shows a negative correlation.

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2 years ago
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