The table below shows a frequency distribution of marks for 400 students in computer programming in a faculty of science. Determine the percentage of students whose marks are at least 50 but ?less than 90 Marks 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99 Number of Students 14 46 58 76 68 62 48 22 6 45% 50% 30% 80%

Q: The following table shows the frequency distribution for the number of children under 10 years old…

A:

Q: Find median and mode of the messages received on 9 consecutive days 14, 11, 9, 5, 18, 4, 15, 13, 18.…

A:

Q: Below are the number of minutes a sample of 30 people exercise each week. 108, 156, 127, 139, 150,…

A: Step-by-step procedure to obtain frequency distribution with 5 classes using EXCEL: Enter the…

Q: Suppose that the frequency table below contains data on female life expectancy at birth in 91…

A: We have given the frequency table below contains data on female life expectancy at birth in 91…

Q: Find the number of students from the following who scored marks not more than 45. Marks range 30-40…

A: Given Information: Marks  frequency 30-40 35 40-50 48 50-60 70 60-70 40 70-80 22…

Q: The IQ scores of Serakan student are shown below: 118, 123, 124, 125, 127, 128, 129, 130, 130, 133,…

A: Here, Total number of observations=N=17 For ungrouped data the kth Quartile is given by  Qk=k…

Q: Construct a frequency distribution table on the sales (in thousands) of 50 electronic engineers.…

A: Let the number of classes be k=5. Then,Width=Maximum value-Minimum valuek=119-205≃20

Q: A professor had students keep track of their social interactions for a week. The number of social…

A: Statistics is the branch of mathematics which are dealing with the collection of data,…

Q: Below is the frequency distribution table of the Mathematics test scores of 50 students. Which of…

A: Given table is mathematics test score of 50 students  Scores Frequency 46-50 4 41-45 8…

Q: Construct a frequency distribution table.

A: here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION PLZ REPOST FRP REMAINING HERE frequency is…

Q: The table in the picture shows the frequency distribution of the scores of 50 students in stat. The…

A:

Q: Below are the scores of 26 firefighters on their initial firefighter's exam. Organize the…

A: The given data is: 90,100,58,56,55,60,80,65,61,99,75,92,91,81,61,64,78,96,70,91,61,78,57,69,83,94…

Q: A data set has values ranging from a low of 10 to a high of 52. What's wrong with using the class…

A: While constructing a frequency distribution, we construct classes along with their corresponding…

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: Elena asked 16 students how many hours they had spent doing homework during the previous week. The…

A: The size of the given data is n = 16 The minimum value in the data = 2 The maximum value in the data…

Q: he following item represents the number of birds observed at a given feeder over past  several days.…

A: Given data, 21,37,13,71,2,36,46,60   Sort the data in ascending order. 2,13,21,36,37,46,60,71…

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

A:

Q: Among fatal plane crashes that occurred during the past 50 years, 137 were due to pilot error, 91…

A: The frequency is the most repeated value. If the total number of individual observations are…

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: There are 50 students in the class who took the exam. T 78 89 80 95 86 95 80 75 95 83 91 80 75 91 90…

A: The scores of students in statistics and probability are given below…

Q: Among fatal plane crashes that occurred during the past 70 years, 183 were due to pilot error, 65…

A: From the given Cause Frequency Pilot error 183 Other human error 65 Weather 365…

Q: It is a statistical analysis that examines two or more independent samples based on one…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: identify the Cummulative Frequency Distribution  Scores               Number of Students    50-59…

A: Cumulative frequency: Cumulative frequencies are obtained by adding each frequency from a frequency…

Q: A recent General Social Survey asked female respondents, "How many sex partners have you had in the…

A: The median is the positional average. It is the value in the data set that divides the data into…

Q: Put it in a frequency distribution table.

A:

Q: A teacher decides that 30 percent of the students will make A’s in her class, what would be the…

A: Introduction: The ith percentile, Pi, (i ∈ [1, 100]) of a data set is such that i% or (i/100)…

Q: Find the mean of this set of numbers: 19, 19, 9, 11, 13, 20, 19, 10

A: To find Mean of the given set of numbers 19,19,9,11,13,20,19,10

Q: 3.Construct a grouped frequency distribution with 8 classes. Also find out cumulative frequencies…

A: Given,

Q: Construct the frequency distribution table with the detailed parts.

A: 1 15 2 26 3 34 4 36 5 38 6 41 7 43 8 44 9 45 10 50 11 50 12 51 13 52 14 52…