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Frequency Distribution

Frequency Distributions

You are the production manager for an operation that produces circuit boards. Each board is tested at the end of the manufacturing process. Rejected boards are discarded and have no future value. For product B-17, you have kept data on the number of rejects for the past 41 weeks. These data are found in this Excel spreadsheet.

Frequency Distribution of Frequent Flyers Miles

The attached following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the first quarter of 2004. a. How many employees were studied? b. What is the midpoint of the first class? c. Construct a histogram.

Break-even analyses, simulation

1.As part of their application for a loan to buy Lakeside Farm, a property they hope to develop as a bed-and-breakfast operation, the prospective owners have projected: Monthly fixed cost (loan payment, taxes, insurance, maintenance) $6000 Variable cost per occupied room per night $ 20 Revenue per occupied room per night $ 75

Rating Frequency

Consider the following frequency table of the performance ratings on a scale of 1-good, 2-fair, and 3-poor, bestowed on their local baseball team by a collection of 100 fans: Rating Frequency 1 20 2 30 3 50 The cumulative relative frequencies for each performance rating are a. 1-20%, 2-30%, 3-50%

Frequency Table to Display Results

The shortest player in a random sample of 50 male NBA basketball players measured in at 67 inches in height. The tallest player's height was 88 inches. The frequency table that you are constructing in order to display the results of this study should contain _____________ height classes, and the size of each class should be ____

Intervals and frequency tables

Don Larch, the manager of a popular local barbershop, has decided to evaluate the time required by his customers to obtain a haircut, pay, and depart. Doug borrowed the clock punch from one of the offices in the shopping center and asked the next 36 customers to punch in when they arrived at his shop and punch out after paying f

Understanding frequency distributions and probability

1. A sample of 2,000 licensed drivers revealed the following number of speeding violations. Number of Violations Number of Drivers 0 1,910 1 46 2 18 3 12 4 9 5 or more 5 Total 2,000 1. What is the experiment? 2. List one possible event. 3. What is the probability that a particular driver had

Statistics: hypothesis tests, variance, bar graphs, frequencies, and the z-score.

See attachment. Please show steps/work for problems. 1. During the last 10 years marketing executives believed that the same proportion of adult men and adult women watched TV news programs. The marketing executives would like to perform a statistical test to assure themselves that a greater proportion of women now watch TV

Statistics - Frequency Distribution

Please construct a frequency distribution for the data below: 26 26 25 17 16 16 14 17 21 16 16 18 17 15 15 19 16 17 22 15 19 17 16 24 16 thanks.

Relative Frequency

A sample of people is selected. The people sampled are classified according to their place of residence and the highest educational degree that they have earned. The results are given in the contingency table below. Highest Degree Warned No Degree 2 yr degree 4 yr degree Advanced degree Urban 29 30 29 15 Places

Relative Frequency of Smoking

A sample of individuals is selected, and the individuals are classified according to their smoking habits and the smoking habits of their parents. The results are given in the contingency table below. Parents' smoking habits Both parents smoke Only one parent smokes Neither parent smokes Individual's smokin

Using Frequency Tables to Find Probability

DATA: - Height of arch, feet, 3-9, 10-29, 30-49, 50-74, 75-higher - Number of arches 111 96 30 33 18 in park QUESTION: For an arch chosen at random in Ahches National Park, use the preceding information to estimate the probability that the height of the arch opening is: a) 3 to 9 ft

Frequency distribution and other Statistics Concepts

Please see the attached file. **All work must be shown (step by step) in order to receive credit. Part I : Question 10 - 13 Show all your work 1. Consider the following frequency distribution based on a set of sample data: X 0 1 2 3 4 5 f 10 17 14 9 3 1 a) What is the sample size? b) What is the

Frequency Distribution and Histogram

Construct a frequency distribution and construct a histogram for the following data Use seven intervals, starting with 30-39. 79 71 78 87 69 50 63 51 60 46 65 65 56 88 94 56 74 63 87 62 84 76 82 67 59 66 57 81 93 93 54 88 55 69 78 63 63 48 89 81 98 42 91 66 60 70 64 70 61 75 82 65 68 39 77 81 67 62 73 49 51 76 94 54

Histogram and frequency distribution

To evaluate the effectiveness of a treatment, researchers will often measure individuals before and after treatment, and record the amount of difference between the two scores. If the differences average around zero, it is an indication that the treatment has no effect. However, if the differences are consistently positive (or

Statistical Analysis on Soft Drink Volume

The amount of soft drink filled by a machine at a bottling company is supposed to have an average of 12 fluid ounces and a standard deviation of 0.5 fluid ounces if the machine is calibrated accurately. The quality control manager has collected data on 250 bottles of soda that have come off a production line on a randomly selec

Exploratory Data Analysis for Assess Parental Relationships

Exercise 2 - Exploratory Data Analysis Constructing Scales to Assess Parents Relationships With Their Parents Introduction: This exercise is designed to illustrate both exploratory data analysis (EDA) and the construction of scales from a set of survey items. The scales are designed to examine "Mother's Feelings About Her

Frequency Distribution Table

14.0 16.1 13.4 14.6 13.7 13.2 13.7 14.3 12.9 14.1 15.1 14.8 12.8 14.2 14.1 13.6 14.2 15.8 12.7 15.6 14.1 13.0 12.9 15.1 15.0 13.6 14.2 13.8 12.7 15.3 14.1 13.5 15.3 12.6 13.8 14.4 12.9 14.6 15.0 13.8 13.0 14.1 13.8 14.2 13.6 14.1 14.5 13.1 12.8 14.3 14.2 13.5 14.1 13.6 12.4 15.1 Create a frequency distribution tabl

Tally Marks and Frequency Table

The following data represent glucose blood levels(mg/100ml) after a 12 hour fast for a random sample of 70 women: 45 66 83 71 76 64 59 59 76 82 80 81 85 77 82 90 87 72 79 69 83 71 87 69 81 76 96 83 67 94 101 94 89 94 73 99 93 85

Quantitative Reasoning

Part A Statistical Tables and Graphs Frequency Table for Exam Scores Scores Frequency Relative Cumulative Frequency Frequency 95-99 2 6.7% 2 90-94 2 6.7% 4 85-89 6 20.0% 10 80-84 4 13.3% 14 75-79 6 20.0% 20 70-74 1 3.3% 21 65-69 4 13.3% 25 60-64 0 0.0% 25 55-59 2 6.7% 27 50-54 1 3.3% 28 45-49 1

Stem and Leaf Plot for a City Police Department Radar Unit

A city police department radar unit recorded the following speeds one afternoon on 17th Street (see attached). For a frequency table representing these data. Use 5 category intervals. Make a stem-and-leaf plot for the given scores. Also, summarize this information with a histogram with five category intervals.

Descriptive and Inferential Statistics

Use my data to: 1. Identify 1,2, 3 Sigma ranges (Show all calculations all samples) 2. Frequency Tables (Show all calculations all samples) 3 Different Aspects of descriptive statistical data Graph Showing Frequency Tables 2 Relevant Probability Questions 95% confidence interval for all samples Price

Comparing means and dispersion

The annual incomes of the five vice presidents of TMV Industries are: $125,000; $128,000; $122,000; $133,000; and $140,000. Consider this a population. a. What is the range? b. What is the arithmetic mean income? c. What is the population variance? The standard deviation? d. The annual incomes of officers of another firm sim

Frequency Plot using Excel

Use my average data for the colors of the M&M's. The data are given as Color, Observed Frequency: Brown, 49.67; Red, 30.33; Yellow, 28.33; Green, 21.67; Blue, 18.67; Orange, 18.33. The total n = 167. First calculate the expected frequency. Then prepare a frequency plot in Excel of observed frequency for the data and plot a s

Construction of Frequency Distribution and Histogram

Construct a frequency distribution (class, tally and frequency) for the data set using the indicated number of classes. In the table, include the midpoint, relative frequencies and cumulative frequencies. Also construct a relative frequency histogram. Number of class: 5 Data set: 14 10 6 4 19 20 11 5 12 18 5 10 13 23 22 3 12 10

Tracking Software for Company Surveys

A producer of computer-aided design software for the aerospace industry receives numerous calls for technical support. Tracking software is used to monitor response and resolution times. In addition the company surveys customers who request support using the following scale: 0 -- Did not exceed exceptions 1 -- Marginally met e