Question: The mean annual salary of all employees in a company is 25000. The mean salary of male and female employees is 27000 and 17000 respectively. Find the percentage of males and females employed by the company.

Q: Cost of health care: The following table presents the mean cost of a hospital stay, in $1000, and…

A: From the given information the graph shows the mean cost of a hospital stay, $1000. The number of…

Q: How do you get the frequency in excel for a frequency distribution chart.

A: First we shall see how to plot the freuency ditribution and then how to show the frequencies. To…

Q: Example 1 The mean height of 45 students ofa class is 60" and the mean height of 55 studen of…

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Q: A group of 100 students was surveyed about their interest in a new International Studies program.…

A: Relative Frequency Distribution:   It is the ratio of the specified class frequency to the total…

Q: The Inter Quartile Range is the difference between the third and first quartiles. It describes the…

A: WE have to find given probability.

Q: hat the mean cost per unit for plants using electricity, µ1, is less than the mean cost per unit for…

A: Given : n1=13 , n2=8 , X1-bar=43.98 , X2-bar=52.70 , s1=7.94 , s2=8.51 ,α=0.05 Since , the…

Q: An occupational therapist (OT) is comparing two different treatments to see which is more effective…

A: we have two groups one consisting of participants A, B, C, D and the other treatment is on…

Q: There are 850 females in your sample and 894 males. a) What is the mean earnings of males and…

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Q: How do you construct a frequency distribution.

A: Frequency distribution is a tabular or graphical representation of the frequency of individual data…

Q: Q2. Define population in terms of statistics and describe why are samples needed and how are they…

A: It is asked to define the population in terms of statistics and to describe why samples needed and…

Q: Teresa recorded the length of different snakes at Petco. The results are shown in the dot plot…

A: Question 5: The range of the given data is from, 1-55-10

Q: Situation The sum of the product of the individual frequency and difference of the datum and mean is…

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Q: Situation The sum of the product of the individual frequency and difference of the datum and mean is…

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Q: During a year the ratio of the prices of commodities A and B was 5 whereas during the next year…

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Q: Robyn Banks is an investor who acquired 100 shares of a company in year one at $10 and 50 shares of…

A: If the observations have unequal weightage then their mean value can be calculated by dividing the…

Q: There are 850 females in your sample and 894 males. a) What is the mean earnings of males and…

A: Given : Earn=570.70-170.72×Female          (9.44)      (13.52)R2=0.084SER=282.12 Number of…

Q: The differences are not statistically significant for which items?

A: Introduction: The study compares dating and married couples on nine items, by comparing the mean…

Q: Question: (a) The average wages paid to all workers in a factory was Dollar 5000. The average wages…

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Q: the specified mean ana

A: According to the given sum, we need to find the probability P(50≤x≤70) where x follows normal…

Q: Population Ecology Wagner" collected the data found in the following table relating the percent…

A: Given information: The data represents the values of the percent mortality y of eggs of the…

Q: Please help me with this. The question is what is the difference between a population, a census, and…

A: Population Census Sample The population is measurable quality  is called as parameter. A…

Q: For the data described​ below, identify the level of measurement as​ nominal, ordinal,​ interval, or…

A: Q) For the data described​ below, identify the level of measurement as​ nominal, ordinal,​ interval,…

Q: A frequency distribution of the airborne speeds in miles per hour of planes is shown. Determine the…

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Q: 3. The height of basketball players is considered what kind of data? * A. Nominal B. Ordinal C.…

A: Answer - The height of basketball players is considered what kind of data?

Q: Find the mean of the data. Weight (oz) of peaches: 7, 5, 6, 8, 6, 5, 5, 7 Mean: [?] oz Enter your…

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Q: Whats the step by step process in excel for getting the frequency distribution and percentage…

A: Excel procedure for frequency distribution: Type your data into a worksheet Sort the data in…

Q: A data set has five values. The 45th and the 55th percentile are both 25. The largest value is 125,…

A: We have to given that,   data set has 5 values i.e. n=5 and 45th percentile = 55th percentile = 25…

Q: Which one measure of variation should you report for the variable AGE (people write their actual age…

A: The measures of variation are descriptive statistics that determine the spread of the data.

Q: Let us measure the degree of relationship between the sex and scores of 20 students. Let Male = 0…

A: Given information: The data represents the scores of 20 students. Among the 20 students some are…

Q: What is the first step in finding the median? Arrange the data in numerical order, from smallest to…

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Q: Explain how each measure of central tendency is determined and give a real           life example of…

A: Measure of central tendency , it is a single value that aims to describe a set of data by…

Q: Given the histogram below for a set of data, which statement is TRUE? A. For the set of data shown,…

A: The histogram shown in question is positively skewed. We know that the mean is always greater than…

Q: We use control charts to monitor a. random variation. b. assignable variation C. natural variation

A: Control charts are used to monitor two types of variation : Common-cause variation and Special cause…

Q: Three sections A, B, and C took the final exam in MATH. Section A with 30 students has a mean score…

A: The weighted mean is, x¯weighted=∑iwixi∑iwiwhere, wi=assigned weight to ith observarion…

Q: 1. The median score is equivalent to O A. 1st quartile O B. 5th percentile O C. 5th decile D. 75th…

A: Median:-Median is the middle most score of the given data set which issorted in ascending order

Q: 5. What percentage of the children watched TV between 20 and 30 hours per week? 6. The Mode is the…

A: The percentage of favorable outcomes out of total outcomes can be calculated by multiplying the…

Q: Q3 (d): Is the empirical relation among Mean, Median and Mode can * ?be applied for this data

A: It is given that the data follows asymmetrical skewed distribution.

Q: 1. Calculate the mean annual rainfall for these cities. 2. Find the median annual rainfall for these…

A: AS PER POLICY I HAVE CALCULATED 3 PARTS

Q: The data set below provides the monthly rent (in dollars) paid by 7 tenants.…

A: The monthly rent (in dollars) paid by 7 tenants are, 990, 879, 940, 1010, 950, 920 and 1430. The…

Q: What do you mean by relative frequency?

A: To understand the relative frequency let me first explain the frequency. Frequency - The number of…

Q: Suppose you surveyed 30 people and asked them whether they are white (W) or nonwhite (N) and how…

A: a. The variable race is classified into categories-whites (W) and non- whites (N). The numbers in…

Q: 3. What is the relative frequency of a customer getting information from TV or newspaper? * A chef…

A: Under 40 40 and older Total Internet 135 30 165 TV or Newspaper 45 90 135 Total 180 120 300

Q: then your mean of grades=

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Q: 99 5 3. 93 3 46 Find the average (mean): Find the median: Calculator > Next Question

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Q: 5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70…

A: Note:Hey there! Thank you for posting the question. Since population mean is not given, we are…

Q: The mean height of a class of 28 students is 162 cm. A new student of height 149 cm joins the class.…

A: Mean Mean is generally represented as the total sum of all observations divided by the number of…

Q: The mean age of 20 children is 12 years old. The mean age of 12 children out of them is 14 years…

A: Given :  The mean age of 20 children is 12 years old. The mean age of 12 children out of them is 14…

Q: Question Joseph wants to estimate the mean number of siblings for each student in his school. He…

A: The sample is the subset of the larger population on which study is conducted,

Q: 4. Write a short note on measures of dispersion with an example.

A: As per Bartleby guidelines, for more than one question asked, first is to be answered. Please upload…