${?}^{1}H$ NMR Spectrum

D$)$ Analyze the proton NMR spectrum. Explain the VALUE AND SIGNIFICANCE of each of the following: $($you may write your answers on the spectrum itself or in a list under each heading below$)$

i$)$ The number of signals

ii$)$ The chemical shift of each signal

iii$)$ The multiplicity of each signal

iv$)$ The integration value of each signal