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Alekssandra [29.7K]
2 years ago
13

What is the most common weight?" 10 points This dot plot shows the weights of backpacks, in kilograms, of 50 sixth-grade student

s at a school in New Zealand.​

Mathematics
1 answer:
svetoff [14.1K]2 years ago
5 0

Answer:

4

Step-by-step explanation:

i think its correct

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Researchers gave 40 index cards to a waitress at an Italian restaurant in New Jersey. Before delivering the bill to each custome
rjkz [21]

The test statistic and p-value of the given data are 6.274 and 0.0001 respectively.

<h3>Test Statistic</h3>

The test statistic can be calculated using the formula below

t = \frac{x-\mu}{\sigma / \sqrt{n} }

Solving for the mean and standard deviation, we can substitute the values into the above equation which will be

t = \frac{x-\mu}{\sigma / \sqrt{n} } = 6.274

<h3>P-Value</h3>

Using the data from the test statistic, we can calculate the p-value of the data

p-value = p(z < 6.274)= 0.0001 = 0.00

From the calculation above, the test statistic and p-value of the given data are

  • 6.274
  • 0.0001

Learn more on test statistic and p-value here;

brainly.com/question/4621112

3 0
2 years ago
I need help with this
olga2289 [7]

Answer:

x = 24.52

Step-by-step explanation:

Since this is a right triangle, use Pythagorean Theorem to solve for the hypotenuse.

Pythagorean Theorem: a² + b² = c²

24² + 5² = x²

576 + 25 = x²

601 = x²

√601 = x

4 0
3 years ago
A 30-mile segment of road needs to be paved. 6 miles have already been completed. The paving crew can complete 3 miles of paving
wariber [46]

Answer: 8 days

Step-by-step explanation:

6 miles has been paved already.

Number of miles left = 30 - 6

= 24 miles

If they are paving at 3 miles a day, the days they will take to finish is:

= 24/3

= 8 days

5 0
2 years ago
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If he drove a total of 72 miles and 3 days he's at the beach how far did he drive each day?
Vika [28.1K]

Answer:

ㅤ

Step-by-step explanation:

6 0
3 years ago
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Calculate the area of rectangle if the area of the shaded triangle is 2.6cm​
bagirrra123 [75]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
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