To determine The frequency distribution table for the data of birth weight using the class limits of 1.0, 2.0, 3.0, 4.0, and 5.0 and find the relative frequencies. Explanation Given: The data related to the birth weight of infants is given as, 2.8, 3.9, 3.0, 3.7, 2.8, 3.4, 1.0, 4.1, 2.9, 4.1, 3.8, 2.2, 3.7, 3.1, 3.1, 3.2, 3.6, 3.4, 3.3, 3.5, 3.1, 4.0, 3.4, 2.4, 2.7, 3.1, 2.8, 3.2, 3.5, 3.9, 3.1 and 2.2. The class limits are 1.0, 2.0, 3.0, 4.0, and 5.0. Procedure used: Step by step procedure for constructing the frequency distribution: 1. Define the classes with the mentioned limits and class width. 2. For each of the class, identify the number of data values that lie within the interval. 3. Count the number of data values for each class interval for obtaining frequency. Formula used: Relative frequency: Relative frequency = Class frequency Total frequency Relative frequency in %: Relative frequency = Class frequency Total frequency × 100 Calculation: The class limits for the given data is 1.0–2.0, 2.0–3.0, 3.0–4.0 and 4.0–5.0. For the class 1.0–2.0, the data value within the interval is 1.0. That is, the number of data values is 1. Thus, the frequency for class 1.0–2.0 is 1. Similarly, count the number of data values for each of the class for obtaining frequency distribution. The frequency distribution is obtained as shown below. Class (Birth weight in kg) Frequency (Number of infants) 1

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Chapter 22.1, Problem 1E

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The frequency distribution table for the data of birth weight using the class limits of 1.0, 2.0, 3.0, 4.0, and 5.0 and find the relative frequencies.

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Chapter 21, Problem 9PT

Chapter 22.1, Problem 2E

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