The table below shows the marks scored by students in a Mathematics test. (a)Calculate the median mark. (b)Using an assumed mean of 52, calculate the mean mark. (c)On...

The table below shows the marks scored by students in a Mathematics test.

(a)Calculate the median mark.
(b)Using an assumed mean of 52, calculate the mean mark.
(c)On the grid provided, draw a histogram to represent the information shown above.

---

---

Kavungya answered the question on September 25, 2019 at 06:23

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• The table below shows tax rates in the year 2012. (a)Mrs. Mwangi pays Ksh.5400 as PAYE. She is entitled to a house allowance of Ksh.9000p.m... (Solved)
  

  The table below shows tax rates in the year 2012.
  
  (a)Mrs. Mwangi pays Ksh.5400 as PAYE. She is entitled to a house allowance of Ksh.9000p.m and claims a monthly tax relief of Ksh.1093. Calculate;
  (i)Her gross tax per annum.
  (ii)Her monthly basic salary in Ksh.
  (b)She also has monthly contributions as follows:
  (i)Cooperative society contribution of Ksh.2000.
  (ii)Loan repayment of Ksh.2500.
  Calculate her net monthly salary.

  Date posted: September 25, 2019 .    Answers (1)

• The figure below shows a circle centre O, AB is a diameter. Chords ED and BH are equal NHJ, FET, STD are tangents to... (Solved)
  

  The figure below shows a circle centre O, AB is a diameter. Chords ED and BH are equal NHJ, FET, STD are tangents to the circle angle ECD = 20º and AHE = 30º. The figure is not drawn to scale.
  
  Determine angles.
  (i)EHB.
  (ii)ETS
  (iii)HGB
  (iv)EHJ
  (v)AOE.

  Date posted: September 25, 2019 .    Answers (1)

• (a)A die and a coin (both fair) are thrown on a horizontal floor. (i)List all the possible outcomes. (ii)Find the probability of getting even number on the... (Solved)
  

  (a)A die and a coin (both fair) are thrown on a horizontal floor.
  (i)List all the possible outcomes.
  (ii)Find the probability of getting even number on the die and a tail on
  the coin or an odd number on the die and a head on the coin.
  (iii)Find the probability of getting a number greater than or equal to 3 on
  the die and a head on the coin.
  (b)The probability that a student gets grade A in Mathematics is 9/10. If she gets grade A in Mathematics then the probability that she gets grade A in Physics is 4/5. If she does not get grade A in Mathematics then the probability that she gets grade A in Physics is 3/8. Calculate the probability that she gets grade A in Physics only.

  Date posted: September 25, 2019 .    Answers (1)

• In the figure below ABCD is a trapezium with DC parallel to AB. DC = 10cm, BC = 8cm, DB = 16cm and AB... (Solved)
  

  In the figure below ABCD is a trapezium with DC parallel to AB. DC = 10cm, BC = 8cm, DB = 16cm and AB = 20cm.
  
  (a)Calculate the sine of angle BDC.
  (b)Hence calculate the area of ABD.

  Date posted: September 25, 2019 .    Answers (1)

• Evaluate: (Solved)
  

  Evaluate:

  Date posted: September 25, 2019 .    Answers (1)

• Simplify: (Solved)
  

  Simplify:

  Date posted: September 25, 2019 .    Answers (1)

• x and Y are complementary angles and Tanx=3v3 . Find the value of hence rationalize the surd. (Solved)
  

  x and Y are complementary angles and Tanx=3√3 . Find the value of hence rationalize the surd.

  Date posted: September 25, 2019 .    Answers (1)

• A point R divides vector PQ in the ratio 5: -2. Find the coordinates of R given that P (3, -6) and Q (-9,... (Solved)
  

  A point R divides vector PQ in the ratio 5: -2. Find the coordinates of R given that P (3, -6) and Q (-9, 2).

  Date posted: September 25, 2019 .    Answers (1)

• A shopkeeper mixes sugar costing Sh.40 per kg with another type which costs Sh.60 per kg. Find the ratio in which the two types... (Solved)
  

  A shopkeeper mixes sugar costing Sh.40 per kg with another type which costs Sh.60 per kg. Find the ratio in which the two types should be mixed so that if a kilogram of the mixture is sold at Sh.55, a profit of 10% is realised.

  Date posted: September 25, 2019 .    Answers (1)

• Find the inverse of the matrix hence use the matrix method to solve the simultaneous equations. 2x -2y =6 3x + y = 5 (Solved)
  

  Find the inverse of the matrix hence use the matrix method to solve the simultaneous equations.
  2x -2y =6
  3x + y = 5

  Date posted: September 25, 2019 .    Answers (1)

• Solve the simultaneous equation. log₃(2x+y) = 2 log₂(3x+4y) = 4 (Solved)
  

  Solve the simultaneous equation.
  log₃(2x+y) = 2
  log₂(3x+4y) = 4

  Date posted: September 25, 2019 .    Answers (1)

• y varies inversely as the square of x. The difference between the value of y when x = 6 and when x = 10... (Solved)
  

  y varies inversely as the square of x. The difference between the value of y when x = 6 and when x = 10 is 16. Find the law connecting x and y.

  Date posted: September 25, 2019 .    Answers (1)

• Solve the equation. (Solved)
  

  Solve the equation.
  sin(2x-30⁰)=1/2 for 0⁰ ≤ x ≤ 360⁰

  Date posted: September 25, 2019 .    Answers (1)

• Make M the subject in (Solved)
  

  Make M the subject in

  Date posted: September 25, 2019 .    Answers (1)

• A rectangular plot measures 31.4m by 28.3m. What is the percentage error in getting it’s area. (Solved)
  

  A rectangular plot measures 31.4m by 28.3m. What is the percentage error in getting it’s area.

  Date posted: September 25, 2019 .    Answers (1)

• Evaluate using logarithms. (Solved)
  

  Evaluate using logarithms.
  

  Date posted: September 25, 2019 .    Answers (1)

• In a mathematics test, the probability of 3 students, Kamau, Otieno and Mwala passing are ?, ¾ and ? respectively (a)Draw a tree diagram to represent... (Solved)
  

  In a mathematics test, the probability of 3 students, Kamau, Otieno and Mwala passing are ⅔, ¾ and ⅚ respectively
  (a)Draw a tree diagram to represent this information
  (b)Use the tree diagram to find the probability that:
  (i)All the three students will fail
  (ii)At least two students will pass.
  (iii)Only one student will pass

  Date posted: September 24, 2019 .    Answers (1)

• The table below shows the income tax rates in Kenya. Income in K£ per month Rate in Ksh / K£ 1 - 325 ... (Solved)
  

  The table below shows the income tax rates in Kenya.
  Income in K£ per month Rate in Ksh / K£
  1 - 325 2
  326 - 975 3
  976 - 1300 5
  1301 - 1625 6
  Over 1625 7.5
  (a)Mr. Sigei is a public servant who lives in a government house and pays a nominal rent of Ksh. 1220 per month. He earns a basic salary of Ksh. 24,800 and taxable allowances of Ksh. 13,380 per month. He is entitled to a monthly tax relief of Ksh. 1120. Calculate his monthly
  i)Taxable income in K£.
  ii)Gross tax.
  iii)Tax due
  (b)Apart from income tax, the following monthly deductions are made from his salary.
  i) HELB loan repayment Ksh. 2400
  ii) NHIF Ksh 320
  iii) 2% basic salary as union dues.
  Calculate Mr. Sigei’s monthly net salary.

  Date posted: September 24, 2019 .    Answers (1)

• Without using logarithm table or calculators, find the value of p in the equation. logn³+log4n = 10log2 - log(2/8) (Solved)
  

  Without using logarithm table or calculators, find the value of p in the equation.
  logn³+log4n = 10log2 - log(2/8)

  Date posted: September 24, 2019 .    Answers (1)

• A farmer bought a machine at a current price of Ksh 224,000. If the depreciation rate is 5% in every 3 months. Calculate the sum... (Solved)
  

  A farmer bought a machine at a current price of Ksh 224,000. If the depreciation rate is 5% in every 3 months. Calculate the sum of its value in 3 years ago and 3 years’ time.

  Date posted: September 24, 2019 .    Answers (1)