Question

In: Statistics and Probability

Show all work There are two groups, like Pizza and Fries on sleep hours. Pizza Fries...

Show all work

There are two groups, like Pizza and Fries on sleep hours.
Pizza     Fries
4             5
5             9
4             6
7             4

Step 1: Find SS for Pizza.
Step 2: Find SS for Fries .
Step 3: Find the pooled variance.
Step 4: Find the estimated standard error.

Solutions

Expert Solution

Solution:

Step 1: Find SS for Pizza.

x₁: Pizza	x₁²
4	16
5	25
4	16
7	49

Step 2: Find SS for Fries .

x₂: Fries	x₂²
5	25
9	81
6	36
4	16

Step 3: Find the pooled variance.

Step 4: Find the estimated standard error.

orchestra answered 1 year ago

Next > < Previous

Related Solutions

The difference in the mean sleep hours between two groups of students (Freshmen and upperclassmen). What...

The difference in the mean sleep hours between two groups of students (Freshmen and upperclassmen). What could the study design and type in this sentence be?

Please show work. A student spends all of her income on pizza and books. When pizzas...

Please show work. A student spends all of her income on pizza and books. When pizzas cost $3 each and books cost $10 each, she consumed 30 pizzas and 3 books per month. The price of pizzas fell to $2.90 each while the price of books rose to $11 each. The price change a. made her worse off. b. left her exactly as well off as before. c. left her at least as well off as before and possibly helped...

Please use excel and show all work and formulas. (I will give your work a like...

Please use excel and show all work and formulas. (I will give your work a like if you do this) Size (1000s sq. ft) Selling Price ($1000s) 1.26 117.5 3.02 299.9 1.99 139.0 0.91 45.6 1.87 129.9 2.63 274.9 2.60 259.9 2.27 177.0 2.30 175.0 2.08 189.9 1.12 95.0 1.38 82.1 1.80 169.0 1.57 96.5 1.45 114.9 What are the p-values of the t test (for the slope estimate) and F test? What is the coefficient of determination? What is...

SHOW ALL WORK!! Machine hours and electricity costs for ABC Industries for the past eleven...

SHOW ALL WORK!! Machine hours and electricity costs for ABC Industries for the past eleven months were as follows: Month Electricity Costs Machine Hours January $12,600 2,000 February 14,000 2,400 March 9,310 1,400 April 15,200 2,600 May 19,000 2,300 June 15,500 3,300 July 17,000 3,600 August 15,500 3,000 September 10,700 1,500 October 17,700 3,300 November 21,000 4,200 Required: a. Using the high-low method, develop an estimate of variable electricity costs per machine hour. (Round to the nearest penny) b. ...

Show all of your work in the space provided. Show all of your work to get...

Show all of your work in the space provided. Show all of your work to get full credit. All answers have to be in SI units(20 pints for each questions). 2.Following are the two sets of position and time data collected using a motion sensor and cart. Table 1. table 2 Time (s) Position (m) V(instantaneous) (m/s) 0 10.0 0.25 13.0 0.50 16.5 0.75 21.0 1.00 26.5 1.25 32.3 1.50 38.0 1.75 44.5 2.00 52.0 2.25 60.0 2.50 68.5...

Please Use Excel to Show All Work, I will like your answer :) 15.54 The Tire...

Please Use Excel to Show All Work, I will like your answer :) 15.54 The Tire Rack, America’s leading online distributor of tires and wheels, conducts extensive testing to provide customers with products that are right for their vehicle, driving style, and driving conditions. In addition, the Tire Rack maintains an independent consumer survey to help drivers help each other by sharing their long-term tire experiences. The following data show survey ratings (1 to 10 scale with 10 the highest...

Please Use Excel To Show All Work, I will like your asnwer if you do this...

Please Use Excel To Show All Work, I will like your asnwer if you do this :) 15.35 Refer to the Johnson Filtration problem introduced in this section. Suppose that in addition to information on the number of months since the machine was serviced and whether a mechanical or an electrical repair was necessary, the managers obtained a list showing which repairperson performed the service. The revised data follow. Repair Time in Hours Months Since Last Service Type of Repair...

Question 1: A researcher would like to estimate the true mean number of hours adults sleep...

Question 1: A researcher would like to estimate the true mean number of hours adults sleep at night. Suppose that population sleep time is known to follow a Normal distribution with standard deviation as 1.5 hours. The researcher random select 100 people and found the average sleeping hours for the sample of 100 people is 6.5 hours. 1) Use this sample mean to estimate the true population mean of sleep time with 95% confidence. (hint: 95% CI) 2) If the...

Please show work and answers with the excel formulas According to the Sleep Foundation, the average...

Please show work and answers with the excel formulas According to the Sleep Foundation, the average night's sleep is 6.5 hours. Assume the standard deviation is 0.5 hours and thatthe probability distribution is normal. A. What is the probability that a randomly selected person sleeps more than 8 hours? B).What is the probability that a randomly selected person sleeps 6 hours or less? C). Doctors suggest getting between 7 and 9 hours of sleep each night? What percentage of the population...

All teams are groups, but not all groups are teams. Discuss the two characteristics that distinguish...

All teams are groups, but not all groups are teams. Discuss the two characteristics that distinguish teams from groups, and give two examples of each. Name and explain at least three ways that emotional intelligence can increase leader effectiveness.

Subjects