Table 2 is showing the frequency distributions of salary for 65 workers in a supermarket. Using coding method, calculate: a) Mean. b) Standard Deviation. Table 2 Salary (RM) Frequency (f) 250.00 – 259.99 8 260.00 – 269.99 10 270.00 – 279.99 16 280.00 – 289.99 14 290.00 – 299.99 10 300.00 – 309.99 310.00 – 319.99

Q: 4.) Students in Stat 200 took their first exam. The scores are located in the table below. Create a…

A: First, we determine the class width. To do that we need to find the range of the given dataset Range…

Q: 69 55 83 79 58 61 65 78 65 82 83 60 56 79 63 60 71 79 82 85 compute for the mean and deviation

A: We have given that,  The data set is,  69 55 83 79 58 61 65 78 65 82 83 60 56 79 63 60 71 79 82 85…

Q: Students in a statistics class took their second test. The following are the scores they earned.…

A: The given information is about the scores.Let X denote the test scores.

Q: The honey farm has installed a filling machine for honey jars that hold 500 g of honey. Doris is…

A: Introduction: Denote the random variable, Denote X as the weight of honey in a randomly selected jar…

Q: Q1: The number of rooms in each of the world's 30 tallest buildings is listed below. Construct a…

A: The number of rooms in the world's  tallest buildings is listed. The number of rooms in the…

Q: Tabulate the following marks in a grouped frequency distribution. Make the frequency distribution…

A: Given, Data 93 121 87 119 111 113 97 114 116 107 113 119 102 100…

Q: The frequency distribution (TABLE 2) below was constructed from data collected from a group of 250…

A: Height in Inches Frequency 58-69 80 70-81 80 82-93 70 94-105 20 Total…

Q: The following data represent the grades of 50 students in the Statistics course, place these data in…

A: To Calculate such parameters we can use Excel. It is the easiest way to find these Statistics…

Q: Represent the following distribution by a (î) histogram and (i) frequency polygon. Scores Frequency…

A:

Q: The data to the right represent the top speed (in kilometers per hour) of all the players (except…

A: The data shows the top speed of all the players.

Q: Below are the monthly salaries for all 16 employees of the StatCorp Data Analysis Corporation.…

A: The data on the monthly salary of 16 employees of the StatCrop data analysis corporation is given…

Q: Twenty-nine college students were polled and indicated their total cost of textbooks spent on the…

A: Given The data is as follows: 91, 472, 485, 238, 592, 394, 188, 341, 266, 199, 142, 273, 189, 130,…

Q: Classes 58-54 55-59 Freq 2. 7. 60-64 6569

A: Given Information: Classes Frequency 50 - 54 2 55 - 59 7 60 - 64 8 65 - 69 4 Total 21…

Q: The following table summarizes the ages of 194 people qualifying for disability insurance. Use the…

A: Recall that we can approximate the sample mean Xˉ from a grouped data using the following…

Q: The following frequency distribution analyzes the scores on a math test. Find the class boundaries…

A: Given :-   scores number of students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5   we…

Q: Q1: Construct a frequency distribution and also find out cumulative frequencies and relative…

A: Given data is…

Q: Day Income (NS) 1 1200 2 1000 2500 4 2300 700 6 800 7 900 8 1200

A: Mean : Mean is defined as the sum of all observations  divided by the total observations.

Q: SCORE 76-87 88-99 100-111 112-123 124-135 136-147 Complete the following distribution table. Find…

A:

Q: From the data given below find the missing frequency. If the arithmetic mean is 28, find the median…

A:

Q: Calculate the mean (all the three types) from the following data and comment on your solutions.…

A: Mean is the measure of central tendency. There are three types of mean. They are arithmetic mean,…

Q: Find the mean of the data summarized in the frequency distribution.  A company had 8- employees…

A: The following table gives the dataset with the required calculations:

Q: 74 A Pahdom sample of 30 male college students was selec heights (in inches) are given below. 73 68…

A: The frequency means the number of observations in that range. Relative frequency is, Relative…

Q: there are 26 students took the exam, the table below shows the frequency distribution s of their…

A: Given information: There are 26 students who took the exam.  The frequency distribution of the…

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

A:

Q: Scores 51-58 59-66 67-74 Class Mark, A 54.5 62.5 70.5 Frequency, 3 7 15

A: The given data is; Scores Class Mark, x Frequency, f 51-58 54.5 3 59-66 62.5 7 67-74 70.5…

Q: Use your cumulative frequency diagram to estimate (i) the median value

A: The provided frequency distribution is Class Frequency (f) cf  16-25 8 8 26-35 32 40 36-45…

Q: The table below shows the mean price (£) and the amount of vehicles sold in January 2020 for…

A: the correct overall mean price for the cars sold in 2020 is  £40,510.22Explanation:Step 1:To compute…

Q: 136 102 127 79 133 43 174 176 158 64 160 165 70 83 103 60 68 159 56 19 60 54 151 26 137 158 175 178…

A: Given the days on the market with the 36 most recent home sales in the city of sonando hills

Q: e following data represent the number of people aged 25 to 64 years covered by health insurance…

A: The formula to compute the sample mean is, The formula to compute population standard deviation is,…

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: x Y 5 1 4 1 3 2 2 3 1 4

A: The median is the middle number is an ordered set of data. Add 1, 1, 2, 3 and 4 is the values of Y.…

Q: find the mean of the data summarized in the given frequency distribution. Age (yr) of Best Actor…

A:

Q: Find Age # Of Tickets Sold 18 35 20 10 22 35 25 145 30 100     Create a relative frequency…

A: From the given data we find the relative frequency table and probability.

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: From the provided information, The table is as follow: Speed (miles per hour) 42-45 46-49…

Q: A random sample of 30 male college students was selected, and their heights were measured. The…

A: The frequency can be explained as the number of times a certain observation is observed to be…

Q: The data below represents the mean score of students who did the commerce examination at five…

A: Given mean scores for 5 schools are: Number of students (n) Mean score (x) Total score of all…

Q: The data below shows the monthly rent for 24 students: 1500, 1350, 350, 1200, 850, 900, 1500, 1150,…

A: As Prof. P. K. Giri said "Relative frequency of a number is defined as the ratio of the actual…