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- One hundred people who attended a recent concert were classified by age bracket (see the chart). Age of Concert Attendees Age Number under 12 15 13-15 32 16-18 45 over 18 8. If 2500 people attended the concert, what would be a good prediction for the number of attendees between 13 and 15 years old? А 675 В 725 С 800 D 925help in all part as soon asWhat percent of females don't have heart disease? Sex (1=Male 2=Female) 1 2 Total Ever told heart disease (1=Yes 2=No) 1 Count 73 96 169 % within Ever told heart 43.2% 56.8% 100.0% disease (1=Yes 2=No) % within Sex (1=Male 10.2% 9.3% 9.7% 2=Female) % of Total 4.2% 5.5% 9.7% 2 Count 640 941 1581 % within Ever told heart 40.5% 59.5% 100.0% disease (1=Yes 2=No) % within Sex (1=Male 2=Female) 89.8% 90.7% 90.3% % of Total 36.6% 53.8% 90.3% Total Count 713 1037 1750 % within Ever told heart disease (1=Yes 2=No) 40.7% 59.3% 100.0% % within Sex (1=Male 100.0% 100.0% 100.0% 2=Female) % of Total 40.7% 59.3% 100.0% 59.5% 89.8% 53.8% 90.7%
- hii! can someone help me with this? thank you!!34 The number of pounds each member of a weight loss club lost in the first week was 1, 1, 2, 3, 0, 4, 0, 1, and 3. The second week the losses in pounds were 3, 3, 1, 1, 5, 2, 2, 4, and 4. Which is NOT true about the two data sets? * The median of the first data set is equal to the lowest value of the second data set. The two data sets have equal standard deviation. The two data sets have equal range. The two data sets have equal interquartile range.Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. Age (years) Frequency 20≤x<30 160 30≤x<40 130 40≤x<50 100 50≤x<60 115 60≤x<70 125 70≤x<80 135 The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a normal distribution. The manager surveyed a random sample of 765 visitors and recorded their age. A summary of the responses is shown in the frequency table, where x represents the age of the visitor. (a) Construct a histogram of the distribution of ages. (b) Write a few sentences to describe the distribution of ages of the adult visitors to the resort. (c) Does the histogram provide convincing evidence that the surveyed ages come from a normal distribution? Explain your answer.
- show work and why it might be negative if you get negative number please thank youResearchers record the number of people that go into a restroom facility and how many of those people wash their hands. O Observational Study O ExperimentShow all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. Age (years) Frequency 20≤x<30 160 30≤x<40 130 40≤x<50 100 50≤x<60 115 60≤x<70 125 70≤x<80 135 The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a normal distribution. The manager surveyed a random sample of 765 visitors and recorded their age. A summary of the responses is shown in the frequency table, where x represents the age of the visitor. Does the histogram provide convincing evidence that the surveyed ages come from a normal distribution? Explain your answer.