25. Diet Cola Preference A recent survey of a new diet cola reported the following percentages of people who liked the taste. Find the weighted mean of the percentages. Area %Favored Number surveyed 40 30 50 1000 3000 800

Students on a campus of a college in Wisconsin were asked about their age. The results of this survey are recorded in the table below. Student ages Frequency 17-26 44 27-36 28 37-46 11 57 and over 33 (a) What is the relative frequency for the age group 17-26? (Write your answer IN PERCENTAGE FORM. Round to at least 2 decimal place. Do not include the % symbol in your answer.) Answer:    % (b) What is the relative frequency for the the age group 37-46? (Write your answer IN PERCENTAGE FORM. Round to at least 2 decimal place. Do not include the % symbol in your answer.)) Answer:    %

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Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction. Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter NONE in any unused answer blanks.) Are there any outliers? A. Yes, 1.0 may be an outlier. B. No, there are no outliers.     C. Yes, 29.8 may be an outlier.

Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…

How many classes are there and what is the class width?

Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are the amounts (dollars) it costs for marriage proposal packages at different sports venues. Are there any outliers? 49 50 50 50 55 55 75 85 90 115 150 150 225 234 275 275 300 325 400 475 475 475 475 1500 2500 a. Find the mean. The mean is $ (Type an integer or a decimal rounded to two decimal places as needed.) b. Find the median. The median is $. (Type an integer or a decimal rounded to two decimal places as needed.) c. Find the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode(s) is(are) $ (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) OB. There is no mode.

A survey of 30 people was conducted about how many siblings they had. A graph was created that showed the percentage of the survey group, which had each number of siblings. The "frequency" column in the table shows the number of responses that having a certain number of siblings received.   Using appropriate and precise statistical terminology, describe the distribution and provide an explanation for the distribution being a certain way.

The  following data recorded the time it took for a sample of seven different species of frogs'and toads'eggs to hatch. 6     7     11     5     5     10     6     9 What is the median of the above data?