Computer ProjeMAS291 - Statistics and PrTopic: Statistical analysis ostudents'''' health examin... By anmetrics such as weight, height, we sehealth profile of students and identify a... The
Trang 1Computer Proje
MAS291 - Statistics and Pr
Topic: Statistical analysis o
students' health examin
Trang 2Ng y
Pham Anh Duc
Le Nam CuongNguyen Thanh Th
Do Trung Hieu
Trang 5I Introduction
The health and well-being of seconare of paramount importance in endevelopment and academic success results provide valuable insights into thhealth status of students, helping eprofessionals, and policymakers improvement and implement targeted in
1 State the problem
2 State the problem
In this study, we aim to condustatistical analysis of health examinatfrom secondary school students By anmetrics such as weight, height, we sehealth profile of students and identify a
Trang 6that may exist.
The statistical analysis will involve
a representative sample of secondafollowed by descriptive statistics to suminferential statistics to make inferencestudent population We will explore faage, socioeconomic status, and lifestytheir potential impact on students' healt
Trang 73.Reasons for choosing learned
The topic provides opportunities fdevelop and enhance their statistical thpractical problem-solving scenarios
II Data source
1 Information about the
Applying the knowledge acquired, p
of probability and statistics, we aiminformation to users and contribute taddressing important and widely concer
2 Data source link
Ha Noi Department of Natural ResLink: http://sotnmt.hanoi.gov.vn/
Trang 83 Collected data
Surveying the concentration of su
Hanoi during the first three monthand 2023
Trang 9III Descriptive Statistics
1 Computed data
Trang 102 Statistical analysis
Mean:
Also known as the average, ofnumbers is calculated by divobserved values by the number
Trang 11The mean, being influenced bythe most sensitive measure observed values.
The average height and wei152.485cm and 48.175kg
Trang 12Sample Variance:
Variance of a dataset is represents the degree of dispoints around their mean
The variance is used to measuset of observed values around Variance of height and weig52.8788kg
Trang 13Standard Deviation
The standard deviation is alsodispersion of data around its mThe standard deviation is equathe variance
Surveying the variance often yusing the standard deviationinterpret as the results closoriginal data
Standard deviation of height anand 7.2718kg
Maximum, Minimum
To display the largest andvariables or data ranges
Height’s maximum is 170cm anHeight’s minimum is 125cm an
Trang 15IV The different types and statistics problems
1 Sampling Distributions a
of Paramaters
Trang 16Sampling 50 students from G
Trang 18Sampling 50 students from G
Trang 191.1 Point estimate
Trang 201.2 Confidence interval
Case 1: confidence interva
<Variance unknown>
Trang 21Case 2: confidence interv mean and proportion < Varian
Trang 252 Hypothesis testing proportions.
Trang 26Sampling 30 students from Grade
Trang 27Case 1: Test hypothesis for
Test: Mean of height sample A is with significant level 0.05
Note: Test hypothesis for mean, Variance
Trang 31Test: proportion of height sample A 80%, with significant level 0.05
Note: Test hypothesis for proportion, Varia
Trang 33Case 2: Test hypothesis for
Test: Mean of height sample A low with significant level 0.05
Note: Test hypothesis for difference of mean
t-Test: Two-Sample Assuming E
Trang 35Test: Propotion of height <= sample B, with significant level 0.
Note: Test hypothesis for difference of propo
Trang 373 Regression correlation
Trang 39Test for significance of regress
Trang 40critical value: = 1.960
Conclusion:
|test statisitic| > crit