Temperature Frequency 96.5 - 96.8 1 96.9 - 97.2 8 97.3 - 97.6 14 97.7 - 98.0 22 98.1 - 98.4 19 98.5 - 98.8 32 98.9 - 99.2 6 99.3 - 99.6 4 Find the mean, standard deviation, and variance for this frequency distribution.
See the attached file. Sales Price (Thousands) Frequency Percent Frequency Cumulative Frequency Cumulative Percent Frequency 20 - 39 1 40 - 59 2 60 - 79 4 80 - 99 2 100 - 119 1 Sales records for a real estate company for the month of May show the fo
The following frequency distribution reports electricity cost for a sample of 50 two-bedroom apartments in Albuquerque, New Mexico during the month of May last year. Electricity Cost Frequency $ 80 up to $100 3 100 up to 120 8 120 up to 140
The 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. Frequent Flier Miles Number of Employees 0 up to 3 5 3 up to 6 12 6 up to 9
Q2) The owner of a small business wants to analyze profits over the past 30 years. Profits (in thousands of dollars) were obtained for the 30-year period. The ranked data values are: 15 17 18 19 20 20 20 21 23 23 24 24 24 24 24 25 25 25 25 25 26 26 27 27 28 29 30 30 31 32 a. Complete the following grouped frequency d
A podiatrist recorded the recovery times, measured in days, for 36 patients. He was trying out a new procedure and hoped that the recovery time would be less than the usual 6 days. The recorded time were: 8 7 6 9 4 5 3 7 8 10 7 7 6 4 10 3 6 8 2 5 4 5 3 8 7 4 6 3 7 12 4 3 6 6 9 4 a) Construct the frequency distribution
The largest value in a set of data is 160, and the smallest value is 70. If the resulting frequency distribution is to have six classes of equal width, what will be the class interval? The options are 15, 6, 12, and 5.
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.
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.
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
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%
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 ____
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
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
For commercial banks in each state, the U.S Federal Deposit Insurance Corporation has listed their total deposits (billions of dollars) as follows. Deposits Deposits Deposits AL 62.6 LA 55.2 OH 200.2 AK 6.0 ME 16.7 OK 46.3 AZ 61.8 MD 82.1 OR 3
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
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.
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
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
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
11. Consider the following data. 14 21 23 21 16 19 22 25 16 16 24 24 25 19 16 19 18 19 21 12
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
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
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
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
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
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
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
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
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.