### Mean hourly wage

Compute the mean hourly wage paid to carpenters who earn the following wages. $15.40, $20.10, $18.75, $22.76, $30.67, $18.00

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Compute the mean hourly wage paid to carpenters who earn the following wages. $15.40, $20.10, $18.75, $22.76, $30.67, $18.00

The Bookstall, Inc., is a specialty bookstore concentrating on used books sold via the Internet. Paperbacks are $1.00 each, and hardcover books are $3.50. Of the 50 books sold last Tuesday morning, 40 were paperback and the rest were hardcover. What was the weighted mean price of a book?

Could you identify explain and calculate how to get the result by using the raw data (locate Hawaii, Southern Carolina, Florida, Las Vegas and Seattle) (Eleven, Chevron and Shell). Raw data above using the data collected above presen the following: A. 1. Discuss any observations you can make regarding the ra

Gas Price Gas Price Gas Price $3.76 $3.99 $4.25 $3.79 $3.99 $4.25 $3.79 $4.00 $4.25 $3.80 $4.00 $4.25 $3.81 $4.03 $4.25 $3.82 $4.05 $4.29 $3.84 $4.05 $4.29 $3.85 $4.07 $4.29 $3.86 $4.08 $4.29 $3.87 $4.09 $4.29 $3.87 $4.09 $4.36 $3.87 $4.09 $4.36 $3.89 $4.09 $4.36 $3.89 $4.11

Please see attached 3 problems. Here's the process I want you to use to answer sensitivity questions. For attached problems, please copy and paste the sensitivity report from QM for Windows. ? Determine if the change is within the permitted boundaries. If it is, the answer to your question can be found within the data.

0 0 5 10 14 16 32 38 40 44 78 86 99 142 175 176 202 220 301 400 A) What is the mean? B) What is the Standard Deviation C) What percent of data fall between minus 2 and plus 2 standard deviations of the mean? How does this compare to the Empirical Rule?

The random number generator in a computer generates three-digit numbers that are uniformly distributed between 0.000 and 0.999 at at rate of one random number per second starting at t=0. A sample function from a random process is generated by summing the 10 most recent random numbers and assigning this sum as the value of the s

1. Given a mean of 60, with a standard deviation of 12, and with a raw score of 75, find: (a) the z-score (b) percentile rank (c) t-score (d) SAT score (e) stanine score 2. Sammy Slicko bets that he can flip a coin and come up heads every time. At what point in the coin toss (5 in a row, 6 in a row, or 7 in a row), ca

Experimental Control Pair A 8 5 Pair b 4 1 Pair C 3 4 Pair D 8 5 Pair E 9 5 Pair F 9 6 What is the value of the differenc

In the example for median asking prices for houses in the United States, we developed several formulas. For the formulas ... [See the attached Question file.]

Fred received the following scores for his gymnastics routine: 8.5, 7.8, 8.0, 6.8, 7.1, 7.6. To figure out his score, the judges drop the highest and lowest score and then average the rest of his scores. a) What is Fred's gymnastics score for the meet? b) How much better or worse would he have done if the judges did not dr

Use the following information to answer questions 1 - 3. Breakdown how you got the answer. George Johnson, a concerned citizen, has decided to conduct a study of the voters in his town to determine if they approve of the way the mayor is running the government. He intends to ask 30 citizens of voting age their views in order

Lead-time demand is 600 pounds. The standard deviation of lead time demand is 52 pounds. Assuming the lead time demand is normally distributed and that an acceptable risk of stocking out is 4%: a. What is the appropriate amount of safety stock? b. What reorder point will ensure you can provide a 96% service level? c. Would

Price Quote for Case Study – Statistics Melanie Barber Chapter 4 Aczel and Sounderpandian (sixth ed) CASE 5: Acceptable Pins A company supplies pins in bulk to a customer. The company uses an automatic lathe to produce the pins. Due to many causes- vibration, temperature, wear and tear, and the like-the lengths of

Reflect on your local housing market. How can measures of central tendency (mean, median and mode) help you to analyze the local market? Quality control is important for any business. Reflect on your own business or past experiences. How has basic descriptive statistics helped you (or your company) assess operational quality?

1. The amount of pyridoxine (in grams) per multiple vitamin is normally distributed with m = 110 grams and Q(standard deviation)= 25 grams. A sample of 25 vitamins is to be selected. So, the middle 70% of all sample means will fall between what two values? a) 104.8 and 115.2 b) 108.4 and 112.5 c) 115 and 100.7 d) 85 and 12

The Kiers family owns five cars. The following is the current mileage on each of the five cars. 56,000 42,000 54,000 23,000 89,000 What is the mean mileage for the cars? The ages for a sample of five college students are: 21, 25, 19, 20, 22. What is the median? The heights of four basketball players, in in

1. Department Store has approximately 300 customers shopping in its store between 9 A.M. and 5 P.M. on Saturdays. In deciding how many cash registers to keep open each Saturday, Schmedley's manager considers two factors: customer waiting time (and the associated waiting cost) and the service costs of employing additional checkou

These are the only two review questions I would like assistance with. Thank You. 1. A batting average of .400 hasn't been attained for about 70 years. Go to the Baseball data set and compute the 99% CI interval for batting means statistically regarding the difficulty of hitting .400. Baseball Stats attached in Excel. 2.

1. A group of 100 students were surveyed about their interest in a new International Studies program. Interest was measured in terms of high, medium, or low. 30 students responded high interest; 50 students responded medium interest; 40 students responded low interest. What is the relative frequency of students with high intere

1) Assuming the following numbers are dollar amounts per treatment with a specific drug, develop a point estimate of the mean cost per treatment of the drug. Next, develop a point estimate of the standard deviation of the cost per treatment of the drug. 4376 5578 2717 4920 4495 4798 6446 4119 4237 3814 2) T

(23) Assume that the heights of women are normally distributed. A random sample of 20 women have a mean height of 62.5 inches and a standard deviation of 2.3 inches. Use the Chi-Square distribution to construct the 99% confidence interval for the population standard deviation a of women's heights. (24) FedEx Ground would like

1. Assume that blood pressure readings are normally distributed with a mean of 117 and a standard deviation of a = 6.4. If one person is randomly selected, find the probability that their blood pressure will be less than 119. If 64 people are randomly selected, find the probability that their mean blood pressure will be l

Fore more details problems, you can see in attachment file 17. A home theater in a box is the easiest and cheapest way to provide surround sound for a hoem entertainment center. A sample of prices is shown here (Consumer Reports Buying Guide,2004). The prices are for models with a DVD player and for models without a DVD play

Rounding Off 1. State the Round-Off Rule as described in Section 3.3. You will use this rule to decide how many decimal places to round the answers in this project. If you have not noticed by now, rounding off is important; at the very least, it can make the difference between a correct and incorrect answer. 2. What is .02

5. The Dow Jones Travel Index reported what business travelers pay to hotel rooms per night in major U.S cities (The Wall Street Journal, January 16,2004). a. What is the mean hotel room rate? b. What is the median hotel room rate? c. What is the mode? d. What is the first quartile? e. What is the third quartile? Th

10-7 What is the enumeration approach to solving assignment problems? Is it a practical way to solve a 5 row X 5 column problem? A 7X7 problem? Why? 10-13 The hardrock concrete company has plants in three locations and currently working on 3 major construction projects, each located at a different site. The shipping cost per

I need the attached discussion question answered as the solution in my textbook is too hard to understand. Please respond to the following discussion question. You are given the following data. Student Number Age Income/ thousands Hours Studying /Per Week Final Grade Gender 1 46 37 6 70 M 2 53 46 19 92 F 3 34 25 20 95

Really need help with this problem. Please show me how to set it up in the correct steps. a. Ryan is planning to finance her college education by selling programs at the football games for her team. there is a fixed cost of $400 for printing these programs, and the variable cost is $3. there is also a $1,000 fee that is p

For a particular sample of 50 test scores on a psychology exam, the following results were obtained. Mean- 78, Midrange- 72, Third quartile-94, Mode-84, Median-80, standard deviation-11, range-52, first quartile-68 What score was earned by more students than any other score and why ? ( 84 ? because it is the score that occurs