How was the cumulative percent column here computed? Please show how these numbers would be correct, if they are correct. I'm not quite sure how to calculate that last column, and what those numbers mean or how we got them. Thank you for your help. X F P % Cumulative % 200-210 9 0.2813 28.13 28.13 210-220 7 0.2188 21.88 50.00 220-230 6 0.1875 18.75 68.75 230-240 4 0.1250 12.50 81.25 240-250 4 0.1250 12.50 93.75 250-260 2 0.0625 6.25 100.00

An article reports "attendance dropped 7% this year, to 1700." What was the attendance before the drop?_________ people Round to the nearest whole person.

230 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 41 0.1783   1     82 2 49 0.213 131 3 50 0.2174 181 4 49 0.213 230 a. Complete the table (Use 4 decimal places when applicable) b.  What percent of the people have exactly one sibling? _______%

Predict the percentage of female high school graduates in 2019.  Round to the nearest tenth (1 decimal place).              % thnkas for the help aprpeciated it 14g1iog15hoi15jh15oih 15j1i5h15 hij15h o1i5hj15h 1ij

Based on statistics from a worldwide health organization in 2005 there was 37.4 Million people worldwide living with the certain disease 2.2 million deaths from the disease by 2015 the number of people living with the disease have fallen to 32.4 million and 2.5 million deaths find the percent change for each statistic and write any conclusions you can draw The percent change in people living with this disease was what percent rounded to the nearest 10th of a percent

Please ! Do it neat and clean correctly Sir/Mam ! Thanks

Fill in the blanks in the following table. Round your answers to 2 decimal places.

Data is given as per 20, 40, 55, and 70. The 20 and 40 are 25% as important as the 55. The 70 is twice as important as the 55. Find the (weighted) Mean. Your answer should be correct to 2 places after the decimal point. The Weighted Mean is ___________.

12.6 % are age 65 and over. Approximately what percent of the population are working age adults. (Above age 17 to 65)? (Round answer to to one decimal place )

220 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0   0.2455 54 1 37   91 2 44 0.2   3 45 0.2045 180 4 40 0.1818 220 a. Complete the table (Use 4 decimal places when applicable) b.  What percent of the people have exactly one sibling? %