Q4 -PracticalResearch2 LAS4 -LowellAlfonso-Version3.pdf -...

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LEARNING ACTIVITY SHEETS
GRADE 12 – PRACTICAL RESEARCH 2
Name: Date: Rating/Score:
STATISTICAL ANALYSIS OF DATA, CONCLUSION, AND
RECOMMENDATION
DIRECTIONS. Read each activity carefully. Follow the instructions in each part and
answer the guide questions that follow.
A. Tick a check on the column that represents the condition, assumption, or
requirement needed for the indicated statistical procedure to be used.
Statistical Procedures and
Tests
TYPE OF
STATISTICAL
ANALYSIS
COMPARISON
NATURE
OF DATA
UNIVARIATE
BIVARIATE
MULTIVARIATE
DIFFERENCE
RELATIONSHIP
DISCRETE
CONTINUOUS
Nonpooled 𝑡 -test
Pearson’s 𝑟
One mean 𝑧 -test
One mean 𝑡 -test
Pooled 𝑡 -test
Two Way Analysis of Variance
Paired 𝑡 -test
One Way Analysis of Variance
Spearman 𝜌
B. Read the following problems below. Answer the guide questions for each
problem to establish the hypothesis testing. Please write your answers for each guide
question on a separate sheet of paper.
1. Student researchers from a university investigated whether the number of staff
present in a fast-food chain is related to the number of customers who visit the
fast-food chain in a day. The researchers gathered the number of staff and the
number of customers for 15 consecutive days. The data are as follows:
No. of
Staff
No. of
Customers
No. of
Staff
No. of
Customers
No. of
Staff
No. of
Customers
8 95 7 102 8 101
9 104 5 88 10 132
6 104 6 133 11 142
9 100 8 84 7 91
10 132 14 145 8 128
Specific Week: 6 (LAS 4)
Target Competency: Uses statistical techniques to analyze data – study of differences and relationships
limited for bivariate analysis ( CS_RS12-IId-g-3 )

(This is a Government Property. Not for Sale.)
LEARNING ACTIVITY SHEETS
GRADE 12 – PRACTICAL RESEARCH 2