The table below shows the height measured to the nearest cm of 101 pawpaw trees.

The table below shows the height measured to the nearest cm of 101 pawpaw trees.

(a) State the modal class.
(b) Calculate to 2d.p
(i) the mean height
(ii) the difference between the median height and the mean height.

---

---

sharon kalunda answered the question on May 7, 2019 at 07:19

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 diagram below shows a crescent formed by two circles of radii 3cm and 5cm, centres A and B respectively. (Solved)
  

  The diagram below shows a crescent formed by two circles of radii 3cm and 5cm, centres A and B respectively.
  
  Calculate the area of the shaded region if it subtends and angle of 60⁰ at centre B.

  Date posted: May 7, 2019 .    Answers (1)

• The diagonals of a parallelogram are 20cm and 28.8cm. The angle between the diagonals is 62⁰. Calculate the area of the parallelogram. (Solved)
  

  The diagonals of a parallelogram are 20cm and 28.8cm. The angle between the diagonals is 62⁰. Calculate the area of
  the parallelogram.

  Date posted: May 7, 2019 .    Answers (1)

• An irregular 6 sided polygon has 2 of its interior angles equal to 2x each, 3 angles equal to x each and the remaining one... (Solved)
  

  An irregular 6 sided polygon has 2 of its interior angles equal to 2x each, 3 angles equal to x each and the remaining one equal to 20⁰. Calculate the value of x.

  Date posted: May 7, 2019 .    Answers (1)

• Given that tan x⁰ =3/7,find Cos (90 – x)⁰ giving your answer to 4 significant figures. (Solved)
  

  Given that tan x⁰ =3/7,find Cos (90 – x)⁰ giving your answer to 4 significant figures.

  Date posted: May 7, 2019 .    Answers (1)

• The volumes of two similar cylinders are 4752cm³ and 1408cm³.If the area of the curved surface of the smaller cylinder is 352cm², find the area... (Solved)
  

  The volumes of two similar cylinders are 4752cm³ and 1408cm³.If the area of the curved surface of the smaller cylinder is 352cm², find the area of the curved surface of the larger cylinder.

  Date posted: May 7, 2019 .    Answers (1)

• Using tables of reciprocals only to find the value of (Solved)
  

  Using tables of reciprocals only to find the value of
  

  Date posted: May 7, 2019 .    Answers (1)

• In the figure below, points A, B, C and C lie on the circumference of a circle. angle ADC = 780 and line AB =... (Solved)
  

  In the figure below, points A, B, C and C lie on the circumference of a circle. angle ADC = 780 and line AB = line BC.
  Calculate angle BAC.
  

  Date posted: May 7, 2019 .    Answers (1)

• A Kenyan tourist left America through South Africa. While in South Africa she bought a necklace worth 24 dollars. Given that 1 rand = 0.15 dollars... (Solved)
  

  A Kenyan tourist left America through South Africa. While in South Africa she bought a necklace worth 24 dollars.
  Given that 1 rand = 0.15 dollars and 1 rand = 11.24 Kenya shillings, find the value of the necklace in
  (a) South Africa rands
  (b) Kenya shillings

  Date posted: May 7, 2019 .    Answers (1)

• Simplify the expression; (Solved)
  

  Simplify the expression;
  

  Date posted: May 7, 2019 .    Answers (1)

• 15 men working 4 hours a day can do a job for 20 days. How long does it take 10 men working 5 hours a... (Solved)
  

  15 men working 4 hours a day can do a job for 20 days. How long does it take 10 men working 5 hours a day to do the
  same job.

  Date posted: May 7, 2019 .    Answers (1)

• Solve for x in the following 3^(2x+1) + 3² = 3^(x+3) + 3^x (Solved)
  

  Solve for x in the following
  3^(2x+1) + 3² = 3^(x+3) + 3^x

  Date posted: May 7, 2019 .    Answers (1)

• Evaluate the following; (Solved)
  

  Evaluate the following;
  

  Date posted: May 7, 2019 .    Answers (1)

• Otieno bought a second hand car and later sold it through a sales agent who charges 7 ½ % commissions on the price of the car.... (Solved)
  

  Otieno bought a second hand car and later sold it through a sales agent who charges 7 ½ % commissions on the price
  of the car. He received sh. 222,000 from the agent after the tatter had deducted his commission .Otieno incurred a loss
  of 25% on the price at which he had bought the car.
  a) Calculate the price at which the agent sold the car.
  b) Find the price at which Otieno had bought the car
  c) If the amount otieno paid for the car was 26% less than the price of the new car, calculate the price of the new car to
  the nearest cent.
  d) Express as a percentage the amount Otieno received for his car to its price when new.

  Date posted: May 7, 2019 .    Answers (1)

• The position of two satellite station A and B on the earth’s surface are (36⁰N, 50⁰E) and ( 36⁰N, 130⁰W) respectively .( use ?? =... (Solved)
  

  The position of two satellite station A and B on the earth’s surface are (36⁰N, 50⁰E) and ( 36⁰N, 130⁰W) respectively .( use 𝜋 = 3.142 and R = 6400KM)
  a) Find the distance along the small circle in km.
  b) Find the shortest distance between A and B in nm
  c) If time A is 1700hrs, calculate the time at B in 12 hrs system.

  Date posted: May 7, 2019 .    Answers (1)

• The frequency distribution of marks 80 students is given in the table below. (Solved)
  

  The frequency distribution of marks 80 students is given in the table below.
  
  a) Using 45.5 as assumed mean calculate the standard deviation of the data.
  b) On the grid provided, represent the data on an ogive and use it to find:
  i) The median mark
  ii) The pass marks if 60% of the students are to pass.

  Date posted: May 7, 2019 .    Answers (1)

• a.) Determine the inequalities that define the unshaded region below (Solved)
  

  a.) Determine the inequalities that define the unshaded region below
  
  b) calculate the area of the unshaded region

  Date posted: May 7, 2019 .    Answers (1)

• OABC is a trapezium in which OA = a and AB = b. AB is parallel to OC with 2AB = OC. T is a... (Solved)
  

  OABC is a trapezium in which OA = a and AB = b. AB is parallel to OC with 2AB = OC. T is a point on OC produced sothat OC: CT = 2:1. AT and BC intersect at X. So that BX = hBC and AX = kAT
  
  a) Express the following in terms a and b.
  i) OB
  ii) BC
  b) Express CX in terms of a, b, and h.
  c) Express CX in terms of a, b, and k.
  d) Hence calculate the values of h and k

  Date posted: May 7, 2019 .    Answers (1)

• The probability of Owino going to school by tuktuk is ¼ while that of going by boda boda is 2/5 .If he travels by tuktuk, the... (Solved)
  

  The probability of Owino going to school by tuktuk is ¼ while that of going by boda boda is 2/5 .If he travels by tuktuk,
  the probability of arriving in school late is 1/7 whereas that of the boda boda is 1/3. If he uses other means , the
  probability of him getting to school late is 1/10
  a) Draw a tree diagram to represent the above information.
  b) Calculate the probability that:
  i) He is late for school.
  ii) He is not late for school
  iii) He is late for school if he does not use boda boda.

  Date posted: May 7, 2019 .    Answers (1)

• Find the equation of the normal to the curve y = 3x² - 8x+5 at the point where x = 2 in the form ax... (Solved)
  

  Find the equation of the normal to the curve y = 3x² - 8x+5 at the point where x = 2 in the form ax + by = c

  Date posted: May 7, 2019 .    Answers (1)

• The quantities P and Q are such that P varies partly as Q and partly as the square of Q. When q = 60 and... (Solved)
  

  The quantities P and Q are such that P varies partly as Q and partly as the square of Q. When q = 60 and when Q = 3, P
  = 105.
  a) Write the equation connecting P and Q.
  b) Find the value of P when Q = 5

  Date posted: May 7, 2019 .    Answers (1)