Statistical Methods for Psychology10. For a normal population with μ = 50 and σ = 15, what is the probability of obtaining a sample mean: (a) Greater than 62 for a sample of n = 36 scores? (b) Greater than 62 for a sample of n = 9 scores?
Category Archives: Statistics
What proportion of employees spend more than 30 minutes commuting each day?
Statistical Methods for Psychology 1. A sample of N = 35 scores has a mean of X = 10. One score of X = 51 is added to the sample. What is the new value for the sample mean? 2. An expert reviews a sample of 8 scientific articles and records the following numbers of […]
Calculate standard scores for each individual (z and t scores)
Using the data provided, calculate the following descriptive statistics: (You may use EXCEL to complete this work. Show all formulas and work in your answer). 1) mean, median, and mode 2) Range, Variance, and Standard Deviation 3) Calculate standard scores for each individual (z and t scores) Discuss the distribution and identify characteristics of the […]
Discuss why the charts and the pivot table are recommended
Question 1 You are to analyse a dataset Retail_ TMA.xlsx to answer the following questions. In the real world of data analysis, when you are not querying the database directly and data is provided to you, it is essential to evaluate the data and ask pertinent questions about the data quality. It enables us to […]
What would you tell him/her about the ages of the employees?
Week 1 Assignment Hand in both an Excel Sheet and a MS Word document in the same submission. 1.A boss had wanted to know if employees were in their 20s, 30s, 40s etc. in preparation for a training on generational differences in the workplace. Create a frequency distribution table for the following ages of employees. […]
Calculate the final selling price to the nearest cent and markdown percent to the nearest hundredth percent
Week 8 Math 8-15. Calculate the final selling price to the nearest cent and markdown percent to the nearest hundredth percent: Original First Second Final selling price markdown markdown Markup markdown $5.000 20% 10% 129; 5% WORD PROBLEMS 8-16. Bari Jay, a gown manufacturer, received an order for 600 prom dresses from China. Her cost […]
Solve for the selling price (round to the nearest cent)
Week 8 Math 8-8. Canon scanner $80 Solve for the selling price (round to the nearest cent): LU 8-2(3) 8-9. Selling price of a complete set of pots and pans at Walmart 40% markup on selling price Cost, actual, $66.50 8-10. Selling price of a dining room set at Macy’s 55% markup on selling price […]
Solve for cost (round to the nearest cent): LU 8-1(3) 8-3 Selling price of office furniture at Staples, $6,000 Percent markup on cost, 40% Actual cost?
Week 8 Math Assume markups in Problems 8-1 to 8-6 are based on cost. Find the dollar markup and selling price for the following problems. Round answers to the nearest cent. LU 8-1(1, 2) Item Cost Markup percent Dollar markup Selling price 8-1. Bell and Ross watch 52.000 3or, 8-2. Burberry men’s watch S425 200% […]
A town p is 150km from a town Q in the direction 50°,what’s the bearing of Q from e
Bearing and dock A town p is 150km from a town Q in the direction 50°,what’s the bearing of Q from e
What is the probability that the sample mean will be a gain of between 9 and 12 pounds?
Statistical Methods for Psychology 1. Suppose you have a collection of scores that is normally distributed with μ = 50 and σ = 18, and suppose we draw samples of size N = 36. (a) What proportion of the samples will have means greater than 53? (b) What proportion of the samples will have means […]
