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A simple random sample of 6 paired values (x,y) yields the following statistical calculations: ∑x=46,∑y=130,Σ(x 2 )=394,Σ(y 2 )=3008,∑(xy)=981 1. Find n∑(xy)−(∑x)(∑y)= 2. Find n∑(x 2 )−(∑x) 2= 3. Find
answered
Nov 13, 2024
Mathematics
high-school
1
vote
227k
views
When each of five numbers is doubled, the mean of the five new numbers is 60. What was the mean of the five original numbers? (a) 12 (b) 30 (c) 60 (d) 120
answered
Aug 21, 2024
Mathematics
high-school
2
votes
185k
views
How do I fix this version of Vanguard requires secure boot?
answered
May 23, 2024
Computers and Technology
high-school
2
votes
215k
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Of the total mass of the solar system is contained in the sun. 10% 75% Less than 10% More than 99% Next > 4/12 complete
answered
Mar 5, 2024
Physics
college
2
votes
188k
views
Name and shame does not change teenage behavior
answered
Nov 17, 2023
English
high-school
11
votes
150k
views
Which ion has the largest radius? A. Se ^2- B. o ^2- C. Te^2- D.S^2-
answered
Jul 23, 2023
Chemistry
high-school
2
votes
129k
views
The time, T (seconds) it takes for a pot of water to boil is inversely proportional to the cooker setting, H , applied to the pot. When H = 6 , T = 180 . What must the cooker setting be if it takes 4 minutes
answered
Jun 13, 2023
Mathematics
college
6
votes
155k
views
Briseis Vega k12.JL.2.4: WL.K121L5.1 4 Me, te, le... Completa. Write the indirect object pronoun that best completes each sentence. 1. blank escribes a Marcos. 2. damos muchos regalos a los niños. 3. El
answered
May 14, 2023
Spanish
high-school
9
votes
57.8k
views
Suppose that IQ scores have a a bell shaped distribution with a mean of 96 and the standard deviation of 17. Using the empirical rule what percentage of IQ scores are no more than 79 please do not round
answered
May 9, 2023
Mathematics
college
5
votes
144k
views
Please help meeeeeee
answered
May 7, 2023
Biology
middle-school
6
votes
98.3k
views
The product of 12 and 3 decreased by 6
answered
Apr 26, 2023
Mathematics
college
6
votes
132k
views
In the sentence, "Yo me afeito", I am literally saying that __________________ I shave myself I shave somebody else
answered
Mar 3, 2023
Spanish
college
2
votes
6.4k
views
There are about 1.6 kilometers in every mile. Write an expression to represent the approximate number of kilometers in m miles.
answered
Nov 27, 2022
Mathematics
college
8
votes
210k
views
How do you find a positive/negative interval?
answered
Oct 29, 2022
Mathematics
high-school
3
votes
15.7k
views
HELP ME PLEASE which of the following are examples of increased centralization of power select all that apply A. The Commerce Clause B. The Comity Clause C. The Due Process Clause D. The Incorporation
answered
Oct 20, 2022
History
high-school
4
votes
4.1k
views
Help help please please help hurry ASAP
answered
Sep 26, 2022
Mathematics
high-school
13
votes
86.8k
views
Write a letter to your friend whom yiu haven't met a long time
answered
Mar 31, 2022
English
high-school
3
votes
91.2k
views
ENGLISH FOR ACADEMIC AND PROFESSIONAL PURPOSES MODULE 14: Writing the Survey/Field/ Laboratory/Scientific/Technical Report Learning Task 1 Directions: Thoroughly read the guidelines and parts for writing
answered
Feb 22, 2022
English
high-school
7
votes
20.4k
views
Find the value of x.
answered
Feb 6, 2022
Mathematics
high-school
4
votes
177k
views
Why are grasses found in grasslands and not forests?
answered
Feb 3, 2022
Biology
college
3
votes
40.4k
views
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