Biostatistics for the Biological and Health Sciences
Biostatistics for the Biological and Health Sciences
2nd Edition
ISBN: 9780134679235
Author: Triola
Publisher: PEARSON
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Chapter 2.1, Problem 19SLCT
To determine

To construct the frequency distribution of the data of Freshman 15 .

Expert Solution & Answer
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Answer to Problem 19SLCT

The frequency distribution is:

    Class-IntervalFrequency
    50-592
    60-6912
    70-7911
    80-893
    90-994

Explanation of Solution

Given:

The data of freshman is as follows:

    SEXWT SEPTWT APRILBMI SEPTBMI APRIL
    M725922.0218.14
    M978619.717.44
    M746924.0922.43
    M938826.9725.57
    F686421.5120.1
    M595518.6917.4
    F646024.2422.88
    F565321.2320.23
    F706830.2629.24
    F585621.8821.02
    F504717.6316.89
    M716924.5723.85
    M676620.6820.15
    F565520.9720.36
    F706827.326.73
    F616023.322.88
    F535219.4819.24
    M929224.7424.69
    F575820.6920.79
    M676720.4920.6
    F585821.0921.24
    F495018.3718.53
    M686822.422.61
    F696928.1728.43
    M878823.623.81
    M818226.5226.78
    M606118.8919.27
    F525319.3119.75
    M707120.9621.32
    F636421.7822.22
    F565719.7820.23
    M686922.422.82
    M686922.7623.19
    F545620.1520.69
    M808222.1422.57
    M646620.2720.76
    F575922.1522.93
    F636523.8724.67
    F545618.6119.34
    F565821.7322.58
    M545618.9319.72
    M737525.8826.72
    M777928.5929.53
    F636621.8922.79
    F515418.3119.28
    F596219.6420.63
    F656823.0224.1
    F535620.6321.91
    F626522.6123.81
    F555822.0323.42
    M747720.3121.34
    M747820.3121.36
    M646819.5920.77
    M646821.0522.31
    F576123.4725.11
    F646822.8424.29
    F606419.520.9
    M646818.5119.83
    M667121.422.97
    F525717.7219.42
    M717722.2623.87
    F556021.6423.81
    M657122.5124.45
    M758223.6925.8
    F424915.0817.74
    M748222.6425.33
    M9410536.5740.86

Formula used:

COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2]…)

Calculation:

Import the data of SEX and WEIGHT SEP from the provided data set then apply filter to the data. Data of male and female is provided.

Copy the data of male shown in screen shot:

Biostatistics for the Biological and Health Sciences, Chapter 2.1, Problem 19SLCT , additional homework tip  1

Make the class interval starting from 60 with the class width 10 in each interval:

    Class-Interval
    50-59
    60-69
    70-79
    80-89
    90-99

Applying the function COUNTIFS for calculating frequencies as shown below:

Biostatistics for the Biological and Health Sciences, Chapter 2.1, Problem 19SLCT , additional homework tip  2

This is the formula for first class interval and in all the class intervals apply the same formula only values of 50 and 59 will change by 60 and 69,70 and 79 and so on respectively. After applying the formula the result will be:

    Class-IntervalFrequency
    50-592
    60-6912
    70-7911
    80-893
    90-994

According to the above created table the data is approximately normally distributed.

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Chapter 2 Solutions

Biostatistics for the Biological and Health Sciences

Ch. 2.1 - Prob. 11SLCTCh. 2.1 - Prob. 12SLCTCh. 2.1 - Prob. 13SLCTCh. 2.1 - Prob. 14SLCTCh. 2.1 - Prob. 15SLCTCh. 2.1 - Prob. 16SLCTCh. 2.1 - Prob. 17SLCTCh. 2.1 - Prob. 18SLCTCh. 2.1 - Prob. 19SLCTCh. 2.1 - Prob. 20SLCTCh. 2.1 - Prob. 21SLCTCh. 2.1 - Prob. 22SLCTCh. 2.1 - Prob. 23SLCTCh. 2.1 - Prob. 24SLCTCh. 2.1 - Prob. 25SLCTCh. 2.1 - Prob. 26SLCTCh. 2.1 - Prob. 27SLCTCh. 2.2 - Prob. 1SLCTCh. 2.2 - Prob. 2SLCTCh. 2.2 - Prob. 3SLCTCh. 2.2 - Prob. 4SLCTCh. 2.2 - Prob. 5SLCTCh. 2.2 - Prob. 6SLCTCh. 2.2 - Prob. 7SLCTCh. 2.2 - Prob. 8SLCTCh. 2.2 - Prob. 9SLCTCh. 2.2 - Prob. 10SLCTCh. 2.2 - Prob. 11SLCTCh. 2.2 - Prob. 12SLCTCh. 2.2 - Prob. 13SLCTCh. 2.2 - Prob. 14SLCTCh. 2.2 - Prob. 15SLCTCh. 2.2 - Prob. 16SLCTCh. 2.2 - Prob. 17SLCTCh. 2.2 - Prob. 18SLCTCh. 2.2 - Prob. 19SLCTCh. 2.3 - Prob. 1SLCTCh. 2.3 - Prob. 2SLCTCh. 2.3 - Prob. 3SLCTCh. 2.3 - Prob. 4SLCTCh. 2.3 - Prob. 5SLCTCh. 2.3 - Prob. 6SLCTCh. 2.3 - Prob. 7SLCTCh. 2.3 - Prob. 8SLCTCh. 2.3 - Prob. 9SLCTCh. 2.3 - Prob. 10SLCTCh. 2.3 - Prob. 11SLCTCh. 2.3 - Prob. 12SLCTCh. 2.3 - Prob. 13SLCTCh. 2.3 - Prob. 14SLCTCh. 2.3 - Prob. 15SLCTCh. 2.3 - Prob. 16SLCTCh. 2.3 - Prob. 17SLCTCh. 2.3 - Prob. 18SLCTCh. 2.4 - Prob. 1SLCTCh. 2.4 - Prob. 2SLCTCh. 2.4 - Prob. 3SLCTCh. 2.4 - Prob. 4SLCTCh. 2.4 - Prob. 5SLCTCh. 2.4 - Prob. 6SLCTCh. 2.4 - Prob. 7SLCTCh. 2.4 - Prob. 8SLCTCh. 2.4 - Prob. 9SLCTCh. 2.4 - Prob. 10SLCTCh. 2.4 - Prob. 11SLCTCh. 2.4 - Prob. 12SLCTCh. 2 - Prob. 1CQQCh. 2 - Prob. 2CQQCh. 2 - Prob. 3CQQCh. 2 - Prob. 4CQQCh. 2 - Prob. 5CQQCh. 2 - Prob. 6CQQCh. 2 - Prob. 7CQQCh. 2 - Prob. 8CQQCh. 2 - Prob. 9CQQCh. 2 - Prob. 10CQQCh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - Prob. 4RECh. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 1CRECh. 2 - Prob. 2CRECh. 2 - Prob. 3CRECh. 2 - Prob. 4CRECh. 2 - Prob. 5CRECh. 2 - Prob. 6CRE
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