Date. blue sharks; among those blue sharks, 20 were tagged. Find the best estimate for the blue shark population?

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1 lit- Mat ID -46' Name 6. The animal department wants to estimate baboon population. So they paint 50 baboons with a mark. These baboons were then released into the jungle. After two months, 300 baboons were caught. Among these baboons, 25 were marked. To the nearest whole number, what is the best estimate for the baboon population? 7. The government of Mexico declared blue sharks an endangered species. They put tags on 36 blue sharks and released them. Later, they corral 130 blue sharks; among those blue sharks, 20 were tagged. Find the best estimate for the blue shark population? 8. The local food surveyors collected data of two random samples of 100 children regarding their food preference? Make at least two inferences based on the results. Student Sample Apples Banana Grapes Total # # Snake charmers want to estimate the population of a particular species of cape cobra. They mark 20 cape cobras with a radioactive tag. After few months they catch 190 cape cobras, 17 of which had marks. What is the best estimate for the cape cobra population? 10. Andrew is planning what to, buy for a garments store in the downtown area. He collected two random samples of 100 men regarding their men's wear preference? Make at least two inferences based on the results. Student Jeans Pants Shorts Total Sample # # lif Tons of Free Math Worksheets at:

2 Name Calculating Mean, Median, Mode and Range Directions: In the space to the right, determine the mean, median, mode, and range for each data set. 1) 22, 7, 22, mean = 1, 7, 18, 18, 16, 6, 6 median = 2) 3, 13, 16, 3, 12, 8, 22, 16, 8, 6 12, 18, 18, 12, 12 5) 5, 6, 5, 5, 5, 19, 9, 20, 20, 9 6) 22, 5, 18, 1, 3, 18, 9, 24, 19 7) 12, 6, 14, 12, 6, 19, 11, 7, 7, 7 8) 23, 19, 5, 19, 9, 20, 19, 8, 19 9) 19, 9, 21, 9, 21, 5, 4, 4, 4, 17 10) 17, 7, 3, 12, 3, 5, 5, 12, 10, 24 This math helper is from

3 7 Mcd-h Daq Name Measures of Center and Variability - Independent Practice Worksheet, Complete all the problems. 1) The heights (in cm) of 9 students of a class are as follows: 155, 160, 145, 149, 150, 147, 152, 144, 148 Find the median of this data. 2) Find the mode and range of the following quiz scores (out of 10) obtained by 10 students. 4, 6, 5, 9, 3, 2, 7, 7, 1, 8 3) The following number of goals were scored by a team in a series of 10 matches. 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 Find the mean and median of these scores. 4) On a mathematics test given to 15 students, the following scores(out of 100) were recorded: 41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 40, 42, 52 60, Find the mean, median and mode of this data. 5) Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18. 6) Find the median of the following values: 37, 31, 42, 43, 46, 25, 39, 45, 32 Ilif Tons of Free Math Worksheets at:

4 Name: Akti-h Da Topic: Problems Involving AND & OR- Worksheet 5 Complete the following problems. 1. In a game, a die is rolled with the numbers 8 through 35. What is the probability that the value of roll will be multiples of ten or eleven? 2. Jack has 7 Levis, 6 Lee, and 2 Pepe Jeans in his cupboard. What is the probability of selecting a Pepe from his Cupboard? 3. Express the probability in which P or R is selected from the word Paper. 4. What is the probability to pick a King or a 6 card in a row out of a 52-card deck? 5. A number cube has 6 sides. The sides are numbered 4 to 9. If the cube is thrown once, what is the probability of rolling a multiple of 3? 6. What is the probability of getting a club or a red card? 7. A Mall has 19 shops: 9 are cosmetics, 4 are vegetable stands, and 6 are garments shops. What is the probability that we will go shopping in cosmetics shop or vegetables stand? 8. Find the probability of randomly choosing the letter L or P from a board that contains the letters in the word "LAPTOP". 9. Out of 70 books in a library, 10 had political content, 40 are based on movies, and 20 are based on meditation. Find the probability of choosing a book on politics or meditation content. 10. A bag contains 7 shoes, 10 socks, and 4 nail polish bottles. What is the probability against selecting a shoe or sock from the bag? If Tons of Free Math Worksheets at:

5 Name Doi\) `Measures of Center and Variability - Matching Worksheet Write the letter of the answer that matches the problem. 1. Kate has the following data: z a. a If the mean is 5, which number could be z? 2. Look at this set of 10 numbers b. 15 How would the mean change if the number 58 is added to the set? a) Increase b) Decrease 3. Rocky has the following data: t 7 c. 2 If the median is 7, which number could be t? Jolie has the following data: d n If the range is 8, which number could be n? What is the mode? e llf Tons of Free Math Worksheets at: