SAT College

When a survey was conducted among 100 students to find their favorite pizza topping, 45 students voted for pepperoni, 25 for mushrooms, and 30 voted for cheese.

If a pie chart were made showing the number of votes for each topping, the central angle for the cheese sector would be __________.


108°


198°


162°


90°

Answers

Answer 1

Answer:

108°

Explanation:

just follow my steps.

When A Survey Was Conducted Among 100 Students To Find Their Favorite Pizza Topping, 45 Students Voted

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Which of the following statements is FALSE?

a.)
A larger sample size would increase the effectiveness of a hypothesis test.

b.)
Alpha (α) is equal to the probability of making a Type I error.

c.)
​Expanding the sample size can increase the power of a hypothesis test.

d.)
Reducing the significance level (α) can increase a test's effectiveness.

Answers

The statement that is FALSE among the given options on hypothesis testing is;

Option D; Reducing the significance level (α) can increase a test's effectiveness.

This is about hypothesis testing.

Let us look at each of the options.

A) When we increase the sample size, it means the testing becomes more sensitive and as such we are more likely to reject the null hypothesis. Thus, it increases the effectiveness.

B) Alpha (α) is defined as the probability of rejecting the null hypothesis. Thus it is the probability of making a Type I error.

C) Expanding the sample size makes the hypothesis test to be more sensitive. That is makes it more likely to reject the null hypothesis when it is  false and as such it increases the power of the test.

D) The lower the significance level, the lower the power of the test and as such the lesser the tests effectiveness.

Read more about hypothesis testing at; https://brainly.com/question/15980493

Can someone please help me with this question

Answers

The answer is C. (0,1). I believe.

Answer is c (0,1) it is ur answer
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