Consider the result of an exam taken by 120 students, as given in the following relative frequency distribution Grade Less than 50 50-59 60-69 70-79 80-89 90-100 Cumulative Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 on this exam? 54 45 30 66

Q: 3. Find A.M. from the following frequency distribution. Wages 100 120 140 160 No. of workers 4 8 12…

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Q: nign schoOl students in a statistics 54 44 81 65 91 95 88 47 19 26 78 64 18 93 32 87 90 65 33 15 54…

A: 4. Pie chart class frequency 10-20 3 20-30 3 30-40 3 40-50 4 50-60 5 60-70 5 70-80…

Q: Refer to the incomplete grouped frequency distribution below. Classes (Rand) Frequency | Cumulative…

A: As per our Guidelines we are suppose to do only one question

Q: A Quick-Change Oil company has a number of outlets. The numbers of oil changes at the 2nd street…

A: Note: According to Bartleby guidelines, expert solve only one question and maximum 3 subpart of the…

Q: 4. A survey is given to 1,432 people about whether they take daily supplemental vitamins and whether…

A: Total number of people = 1432Percentage of number of people who eat breakfast and take daily…

Q: Consider the results of a Statistics final exam taken by 100 students, as given in the following…

A: Given:   Grade Frequency >50 15 50-59 10 60-69 30 70-79 25 80-89 15 90-100 5

Q: 11. A survey of 120 students about which sport, baseball, basketball, football, hockey, or other,…

A: Given: The following two-way frequency table:   Baseball Basketball Football Hockey Other Total…

Q: Using the scores of 30 students on a statistics test answer the following questions 75 52 80 96 65…

A: First we will distribute all the data values according to given classes and number of data values…

Q: You are given the following frequency distribution, Class Frequency 10 – 19 12 20 – 29 19 - 30 – 39…

A: The given frequency distribution is, Class Frequency 10-19 12 20-29 19 30-39 24 40-49 35

Q: Does Internet usage vary with age? An Internet Service Provider took a random sample of its…

A: Solution: The given table of data is

Q: The following are final grades (in terms of percentages) from a class of 20 students. Using 10…

A: Given data: final grades (in terms of percentages) from a class of 20 students. To construct:…

Q: The table below shows the examination results of 100 students as a percentage Exam Result (%)…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: One item on a questionnaire asks students how many times per day in a typical week they make a call…

A: Sample size = n = 12

Q: 31. Prepare a frequency table with class interval of 10 kg. and firset class as 40-50. Aiso find out…

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Q: You are given the following frequency distribution of annual income (in 1000s). Annual Salary…

A: N=80

Q: What is the highest score that anyone achieved in the data shown on the frequency distribution table…

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Q: Using the scores of 30 students on a statistics test answer the following questions 75 52 80 96 65…

A: Given data is ; 75 ,52, 80, 96, 65, 79, 71, 87, 93, 95, 69, 72, 81, 61, 76, 86, 79, 68, 50, 92, 83,…

Q: The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to…

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Q: The following table gives the cumulative frequency distribution of annual incomes (in thousands of…

A: Given: The cumulative frequencies are shown below Income (in 000S) Frequency Less than 25 25…

Q: The following frequency table gives the height (in inches) of 100 students in a college. Heights…

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Q: Given the following scores of students in Statistics. 67 88 95 76 56 40 99 43 50 61 93 48 59 87 61…

A: a. We need to construct a frequency distribution using interval 5. The minimum observation is 40.…

Q: Estimate the mean of the data given in the following grouped frequency table. Value Interval…

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Q: 12. FILE The Quick Change Oil Company has a number of outlets in the metropolitan Seat- tle area.…

A: Since you have posted a question with multiple sub parts, according to our guidelines we can solve…

Q: Approximate the mean of the frequency distribution for the ages of the residents of a town. Age…

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Q: Length of a Walk (in Miles) Class 0.34-0.40 0.41-0.47 Frequency 7 13

A: Formula used for midpoint . (upper class + lower class)/2

Q: Refer to the incomplete grouped frequency distribution below. Classes (Rand) Frequency | Cumulative…

A: Grouped frequency distribution is grouping the scores or frequencies in intervals. And the list all…

Q: 3. Consider the above Frequency Distribution of Salaries. Salary 41,000 - 50,000 51,000 - 60,000…

A: Given the frequency distribution of salries. We need to answer the following questions: 1.What…

Q: data in the following frequency distribution table Classes 50 - 70 - 90 - 110 - | 130 - 150 - 170 fi…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 42. Find the mean for the following frequency tables. Grade Frequency а. 49.5-59.5 2 59.5-69.5 3…

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Q: You are given the following frequency distribution. Class Frequency 10 – 19 12 20 29 19 - 30 39 24 -…

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Q: Approximate the mean of the frequency distribution for the ages of the residents of a town.   Age…

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Q: Given the following frequency table, in which one of the following class intervals the median and…

A: We have to find in which class median and mode will be.

Q: For the following frequency distribution, what is EX? f 60-64 55-59 11 50-54 8 45-49 40-44 6 O 39 O…

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Q: From the given frequency distribution table, what is the Relative Frequency of Q2 class in decimal…

A: We want to find Relative Frequency of Q2 class

Q: Test scores of 30 students are given below.  55 70 80 85 90 100 55 75 80 85 90 100 60 75 85 85 90…

A: The given data set is: 55 70 80 85 90 100 55 75 80 85 90 100 60 75…

Q: 3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the…

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Q: (a) The following numbers are the amount of words in each line from a page of a novel: 27 13 23 32…

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Q: Name and explain everything wrong with the following grouped frequency distribution table. 12-21…

A: a) Use the term "Class interval" instead of "X" in the heading of the first column. Class…

Q: 6, The test scores of 40 students are summarized in the frequency distribution below. Find the mean.…

A: Given that,Test scores of 40 students are summarized in the frequency distribution table.

Q: grouped frequency ta

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Q: Convert the following distribution of scores into a grouped frequency table and (d) Find the…

A: Frequency:               In statistics, the frequency of an event A is the number n(A) of times the…

Q: 2. Draw a frequency histogram and cumulative frequency polygon for the following distributions: b.…

A: Histogram is an appropriate diagram for representing the frequency distribution of a continuous…

Q: A survey is given to 1,432 people about whether they take daily supplemental vitamins and whether…

A: %frequency =(frequency /total number of value)x100   take daily vitamins no daily vitamins eat…

Q: 13. The table below shows the grouped frequency table for the ages of new car purchasers at a large…

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Q: On a math test, the scores of 24 students were 98 71 75 65 75 75 98 82 75 66 83 71 71 83 75 71 83 75…

A: From the provided information, The test score of 24 students is given.

Q: Lower Upper f cf rf crf 14 19 10 10 0.2 0.2 20 25 11 21 0.22 0.42 8 29 0.16 6. 26 31 0.58 32 37 35…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the frequency of lottery winners of age between 19 and 40?…

A: The frequency of lottery winners of age between 19 and 40 is, Frequency=Frequency of 20,29+Frequency…

Q: Refer to the following relative frequency table on hurricanes that have made direct hits on the U.S.…

A: We know the formula to calculate relative frequency, Relative frequency= current class…

Q: The following are final grades (in terms of percentages) from a class of 20 students. Using 10…

A: Class limits: These are the two endpoints of a class interval used for tally marking the given…

Q: The following 10 values represented in the frequency table are the race finish times in hours for a…

A: