نتایج جستجو برای: sample ttest
تعداد نتایج: 407724 فیلتر نتایج به سال:
The capability of the dimensions measurement by ten appraisers of ten samples for Charpy Vnotch pendulum impact test was evaluated by Youden plot, analysis of measurement uncertainties, Measurement Systems Analysis (MSA), %P/T, Z-score, Mandel’s statistics and ttest. The group of “better” appraisers given by Youden plot was validated by majority of other methods.
the present study aimed at determining resources of sport self-confidence in elite bodybuilders and their relationship with body image. the subjects of study included 35 bodybuilders participating in qualifying tournaments of bodybuilding national team. a questionnaire for resources of sport self-confidence and a questionnaire of physical self-description were used to collect data. kolmogorov–s...
The purpose of this research is to find out the effect Cooperative and Integrated Reading Composition Strategy toward student reading comprehension at tenth grade students Vocational High School 1 Muaro Jambi. Th design in was quantitative with experimental approach. population sample were class XTKJ 2 simple random technique. instrument test multiple choice test. data collection pre-test, trea...
Root shortening as a result of apical root resorption is an undesirable consequence of orthodontic treatment. The objective was to determine the prevalence of external apical root resorption in a sample of Sudanese orthodontic patients treated with fixed appliances and to evaluate the association of treatment duration, age, gender and the type of malocclusion on the degree of external apical ro...
Synopsis In order to reduce the type I and II errors and obtain more accurate brain activation map, fMR images were statistically analyzed with uncorrected ttest, false discovery rate(FDR) and family-wise error rate(FWE) in the general linear model (GLM) through statistic parameter mapping software(SPM). This study compared and evaluated the power of thresholding correction methods with uncorre...
Methods A single-center cohort study of all consecutive patients <18 years of age with biopsy proven LN diagnosed in 1980–2006 was performed. Self-designated ethnicity, clinical and laboratory features including renal function, urinalysis and overall activity (SLEDAI) were recorded. Associations of ethnicities, LN subtypes, clinical and laboratory variables were tested using chi-squared analysi...
One of the main concerns of people in modern societies is increasing the Body Mass Index (BMI) level. BMI, in fact, can be considered as an indicator of overall health condition. Genetic aspects aside, the BMI level is affected by different factors, such as socio-economic, environmental, and physical activity level. This study investigated the effect of different factors on the BMI level of a s...
This research is a study on the objectives of mergers and acquisitions, as to why organizations undertake the inorganic mode of expansion. This particular research is conducted to get the effect of mergers upon financial performance regarding acquiring firms in a variety of manufacturing industries of Pakistan. Sample of this research consists of twelve manufacturing companies involved in the p...
The present research explored differences in level of depression and anxiety reported by the patients with cancer of breast and uterus. Survey research design was used. The purposive sample of 60 female patients already diagnosed for breast cancer (n = 30) and uterus cancer (n = 30) was drawn from three hospitals of Lahore city of Pakistan after getting written consent from the hospital authori...
Objective. Over the last couple of decades, a trend emerging adults living with parents has been rising. However, little is known about developmental specificities and impact parenting practices in this context. The objectives study were: to compare levels helicopter life satisfaction by gender (men versus women) age group (late adolescents young adults); analyze relationship between parenting,...
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