R = highest observation minus lowest observation R = H.V. – L.V. • Grouped Data R = highest ucl – lowest lcl B. VARIANCE and STANDARD DEVIATION Meaning: Variance is the mean of the squared deviation from the mean. Standard Deviation is the positive square root of variance. Formula for Variance and Standard deviation : [pic] • Ungrouped Data [pic]
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themselves as a family member who looks after a person they love‚ not as a carer. This means that you may not think to look for‚ or ask for help. There are a wide range of services available to help you in your caring role. Whatever the service‚ whether it’s short-term respite or counselling‚ it is designed to lend you the support and assistance you may need. It’s things like having some extra help and support that may mean you can stay in your caring role for longer. Caring for someone can be challenging
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normal distribution. Interpretation: Skewness > 0 - Right skewed distribution - most values are concentrated on left of the mean‚ with extreme values to the right. Skewness < 0 - Left skewed distribution - most values are concentrated on the right of the mean‚ with extreme values to the left. Skewness = 0 - mean = median‚ the distribution is symmetrical around the mean. Kurtosis - indicator used in distribution analysis as a sign of flattening or "peakedness" of a distribution. Interpretation:
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quite high viz; 1.13‚ 8.35‚ 1.34‚ 4.28‚ 84.92‚ 59.86‚ 25.09‚ 18.24 and 88.69%‚ respectively. The pH of the fruit falls within the acidic range (4.80) and the mean value recorded for the electrical conductivity was 163.24 μS/cm. The content mineral elements in the fruit show that sodium‚ phosphorus‚ manganese‚ iron‚ zinc and copper have high mean concentrations‚
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CANTEEN ADMINISTRATION AND OPERATION AT MAYSAN NATIONAL HIGH SCHOOL: AN ASSESSMENT A Special Project Presented to the Faculty of the College of Science Philippine Normal University Manila In Partial Fulfillment Of the Requirements for the Degree Master of Education With Specialization in Home Economics By: ARLENE B. MANIQUIZ March 2009 ACKNOWLEDGMENT The researcher wishes to extend her profound gratitude‚ acknowledgment and appreciation to all the people who have inspired her to
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Statistics Case Study-1 Age Weeks Employed 55 21 30 18 23 11 52 36 41 19 25 12 42 7 45 25 25 6 40 21 25 13 25 11 59 34 49 27 33 18 35 20 a. Age Weeks Employed Mean 37.75 Mean 18.6875 Standard Error 2.974195 Standard Error 2.188452 Median 37.5 Median 18.5 Mode 25 Mode 21 Standard Deviation 11.89678 Standard Deviation 8.753809 Sample Variance 141.5333 Sample Variance 76.62917 Kurtosis -1.17143 Kurtosis -0.21626 Skewness 0.337402 Skewness 0.522601 Range 36 Range 30
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Department Stores. By identifying our mean‚ median and mode regarding each variable (marital status‚ type of customer‚ gender and age)‚ we can further understand the relationships between our variables. Descriptive Statistics on Net Sales: Net Sales (All Customers) Mean Median Mode Range Standard Deviation Coefficient of Variation $77.60 $59.71 $31.60 274.36 55.66 71.73 Descriptive Statistics on Net Sales by Various Classifications of Customers: Mean Median Mode Range Standard
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encompassed ten University students and ten teachers and examined the effect of an Attentive Audience condition compared to Mere Presence condition on the performance of a complex word task. No significant difference was found between both conditions in the mean number of words obtained. This study supports Zajonc ’s (1965) Drive Theory as the most reliable indicator in determining individual ’s behaviour in the presence of others. A major area of social psychology is the study of an individual ’s behaviour
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linear or non-linear models fitted to time-series data‚ usually by regression methods 4. Box-Jenkins methods: autocorrelation methods used to identify underlying time series and to fit the "best" model COMPONENTS OF TIME SERIES DEMAND 1. Average: the mean of
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` Milkfish Chanos chanos Scale as Bioplastic Project Proponent: Rj G. Erestingcol Project Adviser: Mrs. Revilla Garcia Acknowledgement The researcher wishes to extend her heartfelt gratitude to the following persons and entities for their invaluable services in coming up with this science endeavor. To Almighty GOD‚ for his provision and guidance. To the researcher’s parents‚ for their undying support‚ financial and emotional‚ for being an inspiration. To Mr. Arturo S
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