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sweet [91]
4 years ago
8

Data were collected on annual personal time​ (in hours) taken by a random sample of 16 women​ (group 1) and 7 men​ (group 2) emp

loyed by a medium sized company. The women took an average of 24.75 hours of personal time per year with a standard deviation of 2.84 hours. The men took an average of 21.89 hours of personal time per year with a standard deviation of 3.29 hours. The Human Resources Department believes that women tend to take more personal time than men because they tend to be the primary child care givers in the family. The results of the test are tequals2.02 with an associated​ p-value of 0.0352. The correct conclusion at alphaequals0.05 is to​ _______.
Mathematics
1 answer:
emmainna [20.7K]4 years ago
8 0

Answer:

We reject the null hypothesis

Step-by-step explanation:

In statistical hypothesis testing, the p-value or probability value is the probability of obtaining test results at least as extreme as the results actually observed during the test, assuming that the null hypothesis is correct

Since the p value is less than a, you would reject the null hypothesis and conclude that women take more personal time than men.

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Write f(x)=x^2+2x-99 in standard form and please show your work
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The weights, in pounds, of a group of student are as follows: 173 123 171 175 188 120 177 160 151 169 162 128 145 140 158 132 20
Akimi4 [234]
Mean: 160.12
Standard Deviation: 19.76
Median: 162
Maximum: 202 
Minimum: 120

The mean is calculated by adding all of the numbers in the data set and dividing by the number of values that were added: 

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 Standard deviation is found by calculating the mean (160.12) , and then subtracting the mean and square root result for each number. Finally, working out the mean of the squared differences and taking the square root of the final answer results in a standard deviation of 19.76. (The attached image has the formula for finding standard deviation). 

Median is the number that is found in the middle when placing the numbers in order from least to greatest. 

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5 0
4 years ago
Read 2 more answers
In a unit circle, ø = 2pi radians What is the terminal point?
BlackZzzverrR [31]

Answer:

The terminal point is (1, 0) ⇒ D

Step-by-step explanation:

In the unit circle, Ф is the angle between the terminal side and the positive part of the x-xis.

  • The terminal point on the positive part of the x-axis is (1, 0),which means Ф = 0° or 360° and cosФ = 1, sinФ = 0
  • The terminal point on the positive part of the y-axis is (0, 1),which means Ф = 90° and cosФ = 0, sinФ = 1
  • The terminal point on the negative part of the x-axis is (-1, 0),which means Ф = 180° and cosФ = -1, sinФ = 0
  • The terminal point on the negative part of the y-axis is (0, -1),which means Ф = 270° and cosФ = 0, sinФ = -1

In a unit circle

∵ Ф = 2π radians

∵ 2π radians = 360°

→ By using the 1st rule above

∴ The terminal point is (1, 0)

5 0
3 years ago
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