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Korvikt [17]
2 years ago
8

Heyy I really need help. I don't understand any of this.

Mathematics
1 answer:
mart [117]2 years ago
4 0

Answer:

The parenthesis means to multiply the numbers. I don't understand any of these either but I hope this helps.

Step-by-step explanation:

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The manager of a factory wants to compare the mean number of units assembled per employee in a week for two new assembly techniq
antoniya [11.8K]

Answer:

The most appropriate inferential statistic test in the present situation is the;

b. Two-sample t-test

Step-by-step explanation:

From the question, we have;

The number of subjects in each sample, n₁ = 100

The number of samples = 2

The nature of the test = To compare the two means

The value of the population standard deviation, σ = Unknown

From the given parameters, we have;

The t-test is a method of inferential statistics for determining whether the difference between the mean of two groups is significant, that is if the observed difference are due to chance, where the groups are likely to have some characteristics that are related

The t-test is utilized when testing an hypothesis, and it is used for small samples, where the population standard deviation is unknown

The types of t-test used are;

a) One-sample t-test

b) Two-sample t-test

c) Paired Sample t-test

Therefore, a two-sample t-test is most appropriate.

3 0
2 years ago
Plzzz Answer this as soon as possible!!!!
yaroslaw [1]
21.50+0.25r =22.25.
4 0
3 years ago
Use the polynomial 3x^2−4x^11+4x^4−2x^10−5+^8x^8 to answer the question. 
Anit [1.1K]

Answer: 11

<u>Step-by-step explanation:</u>

3x² - 4x¹¹ + 4x⁴ - 2x¹⁰ - 5 + 8x⁸

To find the degree, look for the largest exponent.  <em>11</em>

If you put this polynomial in standard form (from largest to smallest exponent), the first term will give you the degree of the polynomial and the leading coefficient.

- 4x¹¹ - 2x¹⁰ + 8x⁸ + 4x⁴ + 3x² - 5

4 0
3 years ago
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A sunflower is 13 inches tall and grows 41 inches each month. The
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Answer:

j

Step-by-step explanation:

6 0
3 years ago
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What is the unit rate for 640miles in 25hourd
Alja [10]

Answer:

Hi there, we are going to set up a proportion. 640 miles/25 hours ÷ 25/25. That would equal 25.6 miles/1 hours. Therefore, the answer is 25.6 miles per hour.

Step-by-step explanation:

PLZZ MARK BRAINLIEST THAT WILL MEAN SOOO MUCH TO ME

7 0
3 years ago
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