A real estate agent suggests that the median rent for one- bedroom apartment in a community is $325 per week. A sample of 12 one-bedroom homes shows the following weekly rents. At a =0.05, is there enough evidence to reject the agent's claim? $420 $460 $514 $405 $320 $435 $350 $531 $450 $560 $309 $325 A. Determine the test statistic. B. Determine the critical value. C. The decision is to: O Reject Ho ● Fail to reject HO

3. A number or a summarized measure that describes the characteristic of a sample is called statistic. a. b. parameter. váriation. C. d. central tendency.

Several studies showed that after eating a low-fat cereal for two meals a day​, subjects had lost some weight.A cereal companyfinanced this research. Identify what is wrong. Choose the correct answer below.     A. Since the research is composed of voluntary response​ samples, there may be key data points missing.   B. The data used in the studies is not reliable because it was not measured by the administrator.   C. It is questionable that the sponsor is a cereal company because this sponsor can be greatly affected by the conclusion.   D. It is not possible to take accurate measurements.

Ms. Lorraine Finch, a fifth grade teacher has a large class of 50 students for the 2018 - 2019 school year. After giving a reading comprehension test, Ms. Finch decided to do a brief statistical analysis. A frequency distribution of the results is presented below. a. Fill in the missing pa rts of Ms. Finch’s frequency distribution. Do any necessary scrap work in the space next to the table. b. Construct a histogram of the frequency distribution.   c Is the distribution of test scores normal? Explain.   Score   Frequency   Relative Frequency 84         2                    0.04 85         5                     0.1 86                                 0.08 87       8                       0.16 88       10                      89        90      5                         0.1 91       4                         0.08 92       3                         0.06

A real estate agent has been given 10 houses to list. The house prices in dollars are: 110,000 95,000 87,000 92,000 99,000 250,000 265,000 210,000 275,000 240,000 A potential buyer calls and asks about house prices in the area. What measure of central tendency would best describe this data set? How should the real estate agent report it? Justify your response.