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eric wants to know if cooperative grouping is an effective strategy in improving the mathematics performance of grade 11 students. Twenty students were included in the experimental group while another 20 students were included in the controlled group. The mean achievement score of the students in the experimental group was 82.5 with a standard deviation of 3 while the mean of the students in the control group was 80 with a standards deviation of 6. the two groups come from normally distributed population. the confidence level adopted was 95%.
Identify and list the different types of specialist publicity agents (Myer)
If P (A|B) = 0.5, P (A) = 0.45 and P (B) = ?
The current covid-19 pandemic has played havoc with organisational human resources planning.some senior staff and mentors have opted to retire earlier than planned, to avoid exposing themselves to the virus.furthermore many key staff members in large organisations have either been incapacitated due to " long COVID " or the worst scenario,died.
As a human resource practitioners working for a large organisations you are required to undertake human resource planning and in particular predict the skill that the organisation will require order for employer to achieve their goals and objectives.this includes the skills and competences needed to achieve strategy and goals of the organisation.
Discuss the human resource planning process in details with appropriate examples . answer to include examples as they relate to real situation
Untrained interviewers can make mistakes that are very costly to the organization.” Discuss errors in perception and selection that interviewers can make and how to avoid them.
Titration of 0.2121 g of pure Na2C2O4 (134.00 g/mol) required 43.31 mL
of KMnO4.What is the molar concentration of the KMnO4 solution? The
chemical reaction is
2MnO4 + 5C2O4+ 16H* ->2Mn+ 10CO2+ 8H2O
The fostering of a participatory and democratic approach in education is emphasized by which philosophy of education?
“Education is not about the teaching of technical competence.” Which philosophy of education makes this claim?
. Explain in detail the various types of plant layout concepts that area available in operations management. Give examples on where each of these types can be employed respectively. Briefly explain a layout applicable for a Retail store format, highlighting the good points and bottlenecks, if any.
Let Q, and R be joint distributed random variables having joint probability density function f(Q, R) = { 1 /8 e ^−(8Q+R) , Q, R > 0
0, elsewhere
Find the probability density function of Y = 0.5(Q + R ) 
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#340153 on Dec 2023