subject
Mathematics, 08.06.2020 01:01 HaseelM

The ages in years of 12 men were as follows :23,34,31,35,29,37,27,38,29,25,30,2 2. a) Calculate the mean and the standard deviation of the ages
b)Deduce their average and standard deviation in four years' time.

please help me out with it

ansver
Answers: 3
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
In the 30-60-90 triangle below side s has a length of and side r has a length
Answers: 2
Answer
question
Mathematics, 21.06.2019 18:00
Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided
Answers: 1
Answer
question
Mathematics, 21.06.2019 23:00
Divide. –40 ÷ –5 a –8 b 200 c -200 d 8
Answers: 1
Answer
question
Mathematics, 22.06.2019 03:20
Each unit cost 14p, how much would 942 units cost?
Answers: 1
Answer
You know the right answer?
The ages in years of 12 men were as follows :23,34,31,35,29,37,27,38,29,25,30,2 2. a) Calculate th...
Questions
question
Mathematics, 17.06.2021 19:50
An aircraft travels with the wind for 120 miles in 0.75 of an hour. The return trip is flown against the wind and takes exactly 1 hour. Which system...
question
Mathematics, 17.06.2021 19:50
en un triángulo rectangulo la base tiene una longitud de 3x + 2 metros y una altura de x +2 metros siendo x mayor determine la formula para calcular y...
question
Mathematics, 17.06.2021 19:50
In the diagram below, BC is an altitude of ABD. To the nearest whole unit, what is the length of CD? B 32 D A C 4...
question
Spanish, 17.06.2021 19:50
what app is the best to learn spanish?...
question
Physics, 17.06.2021 19:50
Use the exact values you enter to make later calculations. Satellites feel the gravitational pull of the Earth. They remain in orbit because of their...
question
Physics, 17.06.2021 19:50
A cars brakes operate using hydraulics. A small piston is connected to the brake pedal with an area of 0.2 m^2. This is connected to the brake pads, w...
question
History, 17.06.2021 19:50
Where did most Okies migrate to?​...
question
English, 17.06.2021 19:50
Read the sentences. Antarctica is a continent that is vastly underused. Filled with resources ranging from fish to minerals to oil, we are overlookin...
question
French, 17.06.2021 19:50
Pensez-vous que M. Jourdain pourrait se retrouver dans notre société actuelle ? Justifiez votre réponse par des exemples....
question
Health, 17.06.2021 19:50
Assess one strength and one weakness with respect to your overall physical fitness. State a long-term goal to address the weakness. Describe a plan wi...
question
Mathematics, 17.06.2021 19:50
The Image of the composition of transformations −<2,−5>(AB)⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ is A″B"⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ with endpoints A″ (-3, 1) and B″ (4, 9). What are...
question
Physics, 17.06.2021 19:50
*science question pls answer quickly* ...
question
English, 17.06.2021 19:50
Choose the best revision, if one is needed. A) NO CHANGE B) fish with. C) have for fishing. D) used to catch fish....
question
Mathematics, 17.06.2021 19:50
Who can solve this 2Q+45_y+78=34​...
question
History, 17.06.2021 19:50
Why was the glided age a good description of the 1800s?...
question
English, 17.06.2021 19:50
Jeetesh said the traffic prevented me from moving (change the narration)...
question
Mathematics, 17.06.2021 19:50
Is the graph increasing, decreasing, or constant? I need help with it!!
question
English, 17.06.2021 19:50
Read the sentences. Antarctica is a continent that is vastly underused. Filled with resources ranging from fish to minerals to oil, we are overlookin...
question
Biology, 17.06.2021 19:50
The volume of air in the lungs is controlled by the​...
question
Mathematics, 17.06.2021 19:50
The greater of two numbers is 3 times the smaller. Their sum is 44. Find the numbers....
More questions: Mathematics Another questions
Questions on the website: 13722363
See results (0)