ediculeN
2021-09-13
Answered

You randomly survey students at your school about what type of books they like to read. The two-way table shows your results. Find and interpret the marginal frequencies. Fiction LikesDislikesNon FictionLikes2622 Dislikes202

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lamusesamuset

Answered 2021-09-14
Author has **93** answers

Marginal frequency of a category is given by the sum of elements in the row/column corresponding to that category.

The following is two-way table with marginal frequency

[Table]

We observe that: a. 46 students liked fiction whereas 24 disliked fiction.

b. 48 liked non-fiction whereas 22 disliked non-fiction.

The following is two-way table with marginal frequency

[Table]

We observe that: a. 46 students liked fiction whereas 24 disliked fiction.

b. 48 liked non-fiction whereas 22 disliked non-fiction.

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Make a scatterplot for the data in the table below.

Height and Weight of Football Players

Height (in.): 77 75 76 70 70 73 74 74 73

Weight (lb): 230 220 212 190 201 245 218 260 196

Height and Weight of Football Players

Height (in.): 77 75 76 70 70 73 74 74 73

Weight (lb): 230 220 212 190 201 245 218 260 196

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You randomly survey shoppers at a supermarket about whether they use reusable bags. Of 60 male shoppers 15 use reusable bags. Of 110 female shoppers, 60 use reusable bags. Organize your results in a two-way table. Include the marginal frequencies.

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Solve for the mode and range of the given data. Show your solutions on the space provided.

$$\begin{array}{|ccc|}\hline Data& Mode& Range\\ 10,7,7,4,5,6,4& 1& 2\\ 4.2,3.9,4.6,5.1,3.8,4.7,3.5& 3& 4\\ 5.1,3.2,4.7,4.0,3.6& 5& 6\\ \hline\end{array}$$

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Based on historical data, an insurance company estimates that a particular customer has a 2.9% likelihood of having an accident in the next year, with the average insurance payout being $1800.

If the company charges this customer an annual premium of $190, what is the companys

If the company charges this customer an annual premium of $190, what is the companys

asked 2021-09-12

Suppose the ages of students in Statistics 101 follow a normal distribution with a mean of 23 years and a standard deviation of 3 years. If we randomly sampled 100 students, which of the following statements about the sampling distribution of the sample mean age is incorrect.

A) The expected value of the sample mean is equal to the population’s mean.

B) The standard deviation of the sampling distribution is equal to 3 years.

C) The shape of the sampling distribution is approximately normal.

D) The standard error of the sampling distribution is equal to 0.3 years.

A) The expected value of the sample mean is equal to the population’s mean.

B) The standard deviation of the sampling distribution is equal to 3 years.

C) The shape of the sampling distribution is approximately normal.

D) The standard error of the sampling distribution is equal to 0.3 years.