1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alenkasestr [34]
3 years ago
8

246, 299, 360, 404, 379, 199, 279, 749, 794, 849, 914

Mathematics
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

Mean = 497.5

Median = 379.0

First Quartile = 289

Third Quartile = 771.5

Step-by-step explanation:

Mean is used to measure the central tendency of data which represents the whole data in the best way. It can be found as the ratio of the sum of all the observations to the total number of observations.  

⇒ Mean=\frac{246+ 299+ 360+ 404+ 379+ 199+ 279+ 749+ 794+ 849+ 914}{11}

⇒ Mean = 497.5

Median is the middle observation of given data. It can be found by following steps:

Arranging data in ascending or descending order.

Taking the average of middle two value if the total number of observation is even, and this average is our median.

or, if we odd number of observation then the most middle value is our median.  

Here, number of observation is 11.

So the middle value is (11+1)÷2 = 6th term

⇒ Median = 379

The mode is the observation which has a high number of repetitions (frequency).

Here frequency of all observation is same. So, it is multi- modal data.

First Quartile is the middle value between Minimum value and Median of data after arranging data in ascending order.

First Quartile (Q₁) = 289

The third Quartile is the middle value between Median and Maximum Value of data after arranging data in ascending order.

Third Quartile (Q₃) = 771.5

You might be interested in
How to put 35.99 in a mix number
Anon25 [30]
35 99/100 (35 wholes 99 over 100)
6 0
3 years ago
Factorise 49x^2-121 what’s the answer
asambeis [7]

Answer:

( 7x + 11  )( 7x-  11 )

Step-by-step explanation:

( 7x + 11  )( 7x-  11 )

Because 7*7 is 49

-11*11= -121

7*11=77

-7*11= -77

77-77=0

so the answer is 49x^2-121

8 0
3 years ago
Read 2 more answers
the ratio of brown tiles is 2 to 3. if an artists needs 16 brown tiles to complete a mosaic ho w many tan tiles will the artist
GalinKa [24]
The awnser is 24 multiply
6 0
3 years ago
A researcher wants to study the average miles run per day for marathon runners. In testing the hypotheses: H0: μ = 25 miles vs.
masya89 [10]

Answer:

The calculated value |Z|  = 1.325  < 1.881 at 0.03 level of significance

Null hypothesis is accepted

Alternative hypothesis is rejected

A researcher wants to study the average miles run per day for marathon runners is 25

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given sample size 'n' = 36

Given mean of the sample x⁻ = 22.8 miles

Given mean of the Population 'μ' = 25

Given standard deviation of the Population 'σ' = 10

<u><em>Null hypothesis:-H₀: μ = 25</em></u>

<u><em>Alternative Hypothesis:H₁:μ ≠ 25</em></u>

Level of significance  = 3 % or 97%

The critical value  Z₀.₉₇ = 1.881

<u>Step(ii):</u>-

Test statistic

           Z  = \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }

          Z  = \frac{22.8 - 25}{\frac{10}{\sqrt{36} } }

          Z = -1.325

       |Z| = |-1.325| = 1.325

The calculated value |Z|  = 1.325  < 1.881 at 0.03 level of significance

Null hypothesis is accepted

Alternative hypothesis is rejected

<u>conclusion:-</u>

A researcher wants to study the average miles run per day for marathon runners is 25

     

6 0
3 years ago
Peeta says that because there are 5,280 feet in 1 mile, there are more than 25,000 feet in 5 miles. Is peeta correct? Explain. P
leonid [27]
Peeta is correct because when you multiply 5,280 by 5, you get 26,400 which is more than 25,000.
3 0
3 years ago
Read 2 more answers
Other questions:
  • For the △ACD is shown below, select all the true statements. Lengths are rounded to the nearest tenth.
    6·1 answer
  • The scale on a drawing of a swimming pool is 1cm=4m. What is the actual length of the pool if it's 10cm long on the drawing
    12·2 answers
  • Which best describes the transformation that occurs from the graph of f(x) = x2 to g(x) = (x – 2)2 + 3?
    5·2 answers
  • Subtract the quotient of 18 and 3 from the sum of 22 and 9
    13·2 answers
  • jenna has 4 double fudge brownies to share with 5 people including yourself how can jenna share the brownies equally.
    5·2 answers
  • The PARTNERS at Starbucks receive tips ONCE a week. The TOTAL of tips were $2.03 per hour. Create a function to find the amount
    14·1 answer
  • How would i describe the relationship?
    12·1 answer
  • Which solution finds the value of x in the triangle below?
    11·2 answers
  • Please help me solve
    10·1 answer
  • What's -9 x 7 plssssssssss answerrrrr quicklyyyy
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!