stat1201

University of Queensland (UQ )

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practise questions for finding the p value and confidence intevral
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2

mei 2022

2021/2022
Alice recruited nine pairs of identical twins for a study of two cholesterol-reducing drugs, A and B, with the aim of showing that drug A gave higher reductions in cholesterol than drug B. One of the twins in each pair was given drug A and the other was given drug B, where the choice was made at random. The amount by which cholesterol was reduced in each subject (mg/dL) is given in the following table:
habirobein
$11.69 Meer Info

Overig

practsie questions ofr linear regression
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3

mei 2022

2021/2022
Lung function data for 25 cystic fibrosis patients in a study by O’Neill et al. (1983) was presented in Douglas Altman’s Practical Statistics for Medical Research (1991). The data contains variables recorded for each patient and here we are interested in the relationship between two of these, weight (weight, kg) and pemax (maximum expiratory pressure, cm of H2O).
habirobein
$10.99 Meer Info

Overig

practise questions
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3

mei 2022

2021/2022
Early developmental experiences, such as incubation conditions, can have important consequences for post-hatching fitness in birds. A paper reported on a study where wood duck eggs were collected from nest boxes and experimentally incubated at various fixed temperatures, each falling within the range of temperatures of naturally incubated wood duck nests. The response variables recorded included egg mass (g) at the time of hatching. A one-way analysis of variance of egg mass by temperature in R ...
habirobein
$9.99 Meer Info

College aantekeningen

All information for two sample t test
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27

mei 2022

2021/2022
The docume is about to perform hypothesis test to compare means of the two independent populations using t-distribution (i.e: two sample t-test)
habirobein
$10.09 Meer Info