the  given frequency table is  given which shows  the no of blood samples  given by adults  in a  city.what % of people gave  blood samples after the  year 2018(from 2019 onwards} year  number  of people 2018 8802 2019 3434 2020 469

Q: Find the relative frequency for the class with lower class limit 35 Relative Frequency =

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Q: The two-way frequency table displays the data collected from a random group of high school students…

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Q: tudent obtained the mean of 58 observations as 48. It was later found that one observation was…

A: Given data, n=58 The mean for 58 observations is 48 x=∑xn48=∑x58∑x=2784

Q: A certain species of plant can have a height between 0 and 100 inches, inclusive. For the first ten…

A: Solution

Q: Teresa surveyed 100 students about whether they like pop music or country musc. Out of the 100…

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Q: The two-way frequency table displays the data collected from a random group of high school students…

A: The given data:

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A: The percentage of females in the survey is calculated below:

Q: In a FM system, the modulating frequency fI kHz, the modulating voltage Voit and the deviation is 6…

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Q: rule for his lane. In particular, he recorded how many items over the limit each violator placed on…

A: From the given histogram, the data point is: Item Class Interval Mid value(x)=(UL-LL)/2…

Q: A garden contains 40 flowers, 30 of which are red. What is the frequency of red flowers? 0.25 1.0…

A: total no.of flowers=40no.of red flowers=30

Q: There are 20 total people that took this survey and people that are older than 70 years old. What…

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Q: How did you come to the conclusion for the relative frequencies numbers being 0.5, 0.10, etc?

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Q: The two-way frequency table displays the data collected from a random group of high school students…

A: Given the two-way frequency table display the data collected From a random group of high school…

Q: researcher collected 2000 blood samples from a population， hoping to check out the positive rate of…

A:

Q: The two-way frequency table displays the data collected from a random group of high school students…

A: The two-way frequency table display the data collected froma random group of high school students…

Q: ask 20 of your friends, classmates or family member what are their favorite k-pop Singer or group…

A: This is a problem related to preparing frequency distribution table. Based on the data collection we…

Q: The numbers 3-2, 5-8, 7-9 and 4.5, have frequencies x. (x + 2). (x 3) and (x + 6) respectively. If…

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Q: The Consumer Price Index provides a means of determining the purchasing power of the U.S. dollar…

A: We have been given that in 1986 the Consumer Price Index was 109.6 and in 2010 it was 218.1.  Cost…

Q: Polling company reported that 57% of 2286 and said that they play football. What is the exact value…

A: Given values, Percentage of adults who play football = 57% Total number of adults = 2286 Number of…

Q: In 2009, the median earnings for men in the US workforce was $42,588 and the median earnings for…

A: Median is one of the measures of central tendency. The median earnings for men are 42588. The median…

Q: Suppose Table 3b gives us the IQ range and the possible occupation employment, find out what…

A: Solution: As per the guidelines only first three sub-parts should be answered. In case the remaining…

Q: Your two friends, Sergio and Maria, are arguing about this frequency table. Sergio thinks that 12…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: Discuss various methods of performing interpolation with examples?

A: Dispersion is used to measure spread of the data. various measure of dispersion are:   (1) Standard…

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A: A parameter is a measure or characteristics based on population. A statistic is a measure or…

Q: What dp you mean by interpolation?

A: To define: interpolation.

Q: A national polling organization wishes to estimate the percentage of all teenagers who believes…

A: Given Information: A national polling organization wishes to estimate the percentage of all…

Q: The mean of a class is 23.6 years. How old would a 26th student have to be for the mean age of the…

A: Given data The mean of a class is 23.6 years

Q: If all scores are of the same frequency, what is the mode? A highest score B middle score C) lowest…

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Q: The two-way frequency table displays the data collected from a random group of high school students…

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Q: The weighted geometric mean of the four numbers 8, 25, 17 and 30 is 5.3. If the weights of the first…

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Q: Suppose that the cumulative relative frequency table below shows the data on female life expectancy…

A: The median is the middle most value of the observations.

Q: The age of a patient at the time of diagnosis of colon cancer was tracked—50 males and 50 females.…

A: Introduction: The pth percentile of a set of observations is the value below which, p% of the…

Q: The two-way frequency table displays the data collected from a random group of high school students…

A: Given,  The two way frequency table for group of students, who liked or not skateboards  and…

Q: The mean of 200 observations was 80, later on, it was found that two  observations were misread as…

A:

Q: The arithmetic mean of 80 numbers is 55. If two numbers namely 250 and 850 are removed,  what is the…

A: The Arithmetic mean or simply the mean or the average is the sum of a collection of numbers divided…

Q: It is known that an average of 5 trains oass through grand central terminal every 30 minutes. Find…

A: Consider the random variable X that represent number of trains that will pass through Grand Central…

Q: what is the difference between frequency and relative frequency?

A: To know the difference between frequency and relative frequency, we first need to know about…

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (2o…

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Q: Enter the exact answers (i.e. enter your answers for the relative and cumulative relative…

A: From the provided information, The table is as follow: Number of movies Frequency 0 3…

Q: Suppose Laura, a facilities manager at a health and wellness company, wants to estimate the…

A: The critical-value is obtained by using Excel function “=TINV(probability, degrees of freedom)”.…

Q: An article published in the American Journal of Hypertension reported the results of a longitudinal…

A: x1= Ten years ago, the number of people evaluated were classified as having high blood pressure =51…

Q: Suppose that we want to determine if the average amount of time spent online by the students is less…

A: Given,  μ = 4.5 the data is: 4.1  4.3  4.3  4.5  4.6  4.3  4.1  4.6  4.7  4.6  4.7  4.1  4.3  4.3…

Q: Suppose Table 3b gives us the IQ range and the possible occupation employment, find out what…

A: Given that: 132 128 106 96 104 99 115 112 90 95 127 113 103 96 101 104 90 127 103 106 122 109…

Q: by multiplying each of the number 3,6,1 and 5 by 2 and then adding 5,we obtain the set…

A: The mean value of a dataset is computed by dividing the sum of the observations by the total number…

Q: The Mean of the numbers 21, 19, 20, 17, 23 is 20. What will be the new mean if we add 5 to all these…

A: Given that the mean of the numbers 21, 19, 20, 17, 23 is 20.  If we add 5 to all the numbers, then…

Q: Enter the exact answers (i.e. enter your answers for the relative and cumulative relative…

A: A frequency is the number of time a given data occurs in the given experiment, here the experiment…

Q: The mean of 15 items was found to be 30. On rechecking, it was found that, two items were wrongly…

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Q: What is the frequency of times the limit was exceeded by more than 2 items?

A: Here given , During one shift, the express lane clerk recorded how many times customers violated the…