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Which of the given frequency polygons represents the following frequency distribution?

Class

4 - 8

8 - 12

12 – 16

16 - 20

20 – 24

Frequency

2

4

5

3

2

This question was previously asked in
IB ACIO Grade II Previous Paper 13 (Held on: 20 Feb 2021 Shift 3)
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  1. F1 SSC Arbaz 1-3-24 D1
  2. F1 SSC Arbaz 1-3-24 D2
  3. F1 SSC Arbaz 1-3-24 D3
  4. F1 SSC Arbaz 1-3-24 D4

Answer (Detailed Solution Below)

Option 1 : F1 SSC Arbaz 1-3-24 D1
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Detailed Solution

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Option 1 is the correct option as the coordinates plotted in the graph are same as the values mentioned in the table.
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Q3.Statement 1: Given a graph G = (V, E) in which each vertex v ∈ V has an associated positive weight w(v), we can use linear programming to find the lower bound on the weight of the minimum-weight vertex cover. Statement 2: The lower bound can be found by maximizing the following \(\rm\sum_{v \in V}^n {w}(v) {x}(v)\) subject to x(u) + x(v) ≥ 1 for each (u, v) ∈ V x(v) ≤ 1 for each v ∈ V x(v) ≥ 0 for each v ∈ V In the light of the above statements, choose the most appropriate answer from the options given below:
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Q6.Given below are two statements Statement I : In an undirected graph, number of odd degree vertices is even. Statement II : In an undirected graph, sum of degrees of all vertices is even. In light of the above statements, choose the correct answer from the options given below.
Q7.For which value of n is Wheel graph Wn regular?
Q8.Which of the properties hold for the adjacency matrix A of a simple undirected unweighted graph having n vertices?
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Q1.Which of the following statements is/are TRUE for undirected graphs?
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Q4.Arrange the following graph on the basis of number of edges in increasing order [for n > 3] A. Kn (Complete Graph) B. Cn (Cycle graph) C. Wn (Wheel graph) D. Kn, n (Complete Bipartite Graphs) E. Qn (n-cubes graph) Choose the correct answer from the options given below:
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Q6.Statement 1: Given a graph G = (V, E) in which each vertex v ∈ V has an associated positive weight w(v), we can use linear programming to find the lower bound on the weight of the minimum-weight vertex cover. Statement 2: The lower bound can be found by maximizing the following \(\rm\sum_{v \in V}^n {w}(v) {x}(v)\) subject to x(u) + x(v) ≥ 1 for each (u, v) ∈ V x(v) ≤ 1 for each v ∈ V x(v) ≥ 0 for each v ∈ V In the light of the above statements, choose the most appropriate answer from the options given below:
Q7.Match List I with List II LIST - I LIST - II A. Planar Graph I. Probabilistic Model B. Bipartite Graph II. Deterministic Model C. PERT III. 4-Colorable D. CPM IV. 2-Colorable Choose the correct answer from the options given below:
Q8.Consider the following statements: P: There exists no simple, undirected and connected graph with 80 vertices and 77 edges. Q: All vertices of Euler graph are of even degree. R: Every simple, undirected, connected and acyclic graph with 50 vertices has at least two vertices of degree one. S: There exits a bipartite graph with more than ten vertices which is 2-colorable. What is the number of correct statements among the above statements.
Q9.A principal node is a
Q10.A star connected network consumes a power of 20 kW with a power factor of 0.8. Calculate the value of resistance of each coil when a supply voltage of 230 volts and 50 Hz is supplied between two phases of the network.
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Q1.If L = {1, 2, 3, 4, 6, 9, 36} is the lattice find the number of complements 9 is having in the below given Hasse diagram?
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